403474320 has 120 divisors (see below), whose sum is σ = 1383947136. Its totient is φ = 105295104.

The previous prime is 403474249. The next prime is 403474339. The reversal of 403474320 is 23474304.

It is a tau number, because it is divible by the number of its divisors (120).

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, 27879 + ... + 39801.

Almost surely, 2^403474320 is an apocalyptic number.

403474320 is a gapful number since it is divisible by the number (40) 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 403474320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (691973568).

403474320 is an abundant number, since it is smaller than the sum of its proper divisors (980472816).

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

403474320 is a wasteful number, since it uses less digits than its factorization.

403474320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11989 (or 11980 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 27.

The square root of 403474320 is about 20086.6702068810. The cubic root of 403474320 is about 738.9334037498.

The spelling of 403474320 in words is "four hundred three million, four hundred seventy-four thousand, three hundred twenty".