1234907856 has 400 divisors, whose sum is σ = 4533848704. Its totient is φ = 315767808.

The previous prime is 1234907837. The next prime is 1234907857. The reversal of 1234907856 is 6587094321.

1234907856 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

1234907856 is strictly pandigital in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1234907857) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 4363491 + ... + 4363773.

It is a 1-persistent number, because it is pandigital, but 2⋅1234907856 = 2469815712 is not.

Almost surely, 2^1234907856 is an apocalyptic number.

1234907856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1234907856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2266924352).

1234907856 is an abundant number, since it is smaller than the sum of its proper divisors (3298940848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1234907856 is a wasteful number, since it uses less digits than its factorization.

1234907856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360 (or 345 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 1234907856 is about 35141.2557544548. The cubic root of 1234907856 is about 1072.8644406737.

The spelling of 1234907856 in words is "one billion, two hundred thirty-four million, nine hundred seven thousand, eight hundred fifty-six".