245940786 has 192 divisors, whose sum is σ = 698600448. Its totient is φ = 63125568.

The previous prime is 245940781. The next prime is 245940823. The reversal of 245940786 is 687049542.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (245940781) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2963101 + ... + 2963183.

It is an arithmetic number, because the mean of its divisors is an integer number (3638544).

Almost surely, 2^245940786 is an apocalyptic number.

245940786 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 245940786, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (349300224).

245940786 is an abundant number, since it is smaller than the sum of its proper divisors (452659662).

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

245940786 is a wasteful number, since it uses less digits than its factorization.

245940786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 245940786 is about 15682.4993543759. The cubic root of 245940786 is about 626.5323772282.

The spelling of 245940786 in words is "two hundred forty-five million, nine hundred forty thousand, seven hundred eighty-six".