403396704 has 144 divisors (see below), whose sum is σ = 1188794880. Its totient is φ = 129669120.

The previous prime is 403396687. The next prime is 403396787. The reversal of 403396704 is 407693304.

It is a tau number, because it is divible by the number of its divisors (144).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1499482 + ... + 1499750.

It is an arithmetic number, because the mean of its divisors is an integer number (8255520).

Almost surely, 2^403396704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 403396704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (594397440).

403396704 is an abundant number, since it is smaller than the sum of its proper divisors (785398176).

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

403396704 is a wasteful number, since it uses less digits than its factorization.

403396704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453 (or 442 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 403396704 is about 20084.7380864178. The cubic root of 403396704 is about 738.8860180549.

The spelling of 403396704 in words is "four hundred three million, three hundred ninety-six thousand, seven hundred four".