400935328 has 36 divisors (see below), whose sum is σ = 797754258. Its totient is φ = 198353280.

The previous prime is 400935319. The next prime is 400935329. The reversal of 400935328 is 823539004.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 258180624 + 142754704 = 16068^2 + 11948^2 .

It is a junction number, because it is equal to n+sod(n) for n = 400935293 and 400935302.

It is not an unprimeable number, because it can be changed into a prime (400935329) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 338898 + ... + 340078.

Almost surely, 2^400935328 is an apocalyptic number.

It is an amenable number.

400935328 is a deficient number, since it is larger than the sum of its proper divisors (396818930).

400935328 is a wasteful number, since it uses less digits than its factorization.

400935328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397 (or 1286 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 400935328 is about 20023.3695466073. The cubic root of 400935328 is about 737.3801489814.

The spelling of 400935328 in words is "four hundred million, nine hundred thirty-five thousand, three hundred twenty-eight".