1034401788 has 144 divisors (see below), whose sum is σ = 3200783040. Its totient is φ = 274931712.

The previous prime is 1034401777. The next prime is 1034401789. The reversal of 1034401788 is 8871044301.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1034401789) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 379920 + ... + 382632.

It is an arithmetic number, because the mean of its divisors is an integer number (22227660).

Almost surely, 2^1034401788 is an apocalyptic number.

1034401788 is a gapful number since it is divisible by the number (18) 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 1034401788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1600391520).

1034401788 is an abundant number, since it is smaller than the sum of its proper divisors (2166381252).

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

1034401788 is a wasteful number, since it uses less digits than its factorization.

1034401788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2836 (or 2831 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 1034401788 is about 32162.1172810498. The cubic root of 1034401788 is about 1011.3382215364.

The spelling of 1034401788 in words is "one billion, thirty-four million, four hundred one thousand, seven hundred eighty-eight".