398032322 has 16 divisors (see below), whose sum is σ = 638691480. Its totient is φ = 185376768.

The previous prime is 398032321. The next prime is 398032361. The reversal of 398032322 is 223230893.

It can be written as a sum of positive squares in 4 ways, for example, as 389628121 + 8404201 = 19739^2 + 2899^2 .

It is not an unprimeable number, because it can be changed into a prime (398032321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57047 + ... + 63642.

Almost surely, 2^398032322 is an apocalyptic number.

398032322 is a deficient number, since it is larger than the sum of its proper divisors (240659158).

398032322 is a wasteful number, since it uses less digits than its factorization.

398032322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120805.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 398032322 is about 19950.7474045460. The cubic root of 398032322 is about 735.5961486086.

The spelling of 398032322 in words is "three hundred ninety-eight million, thirty-two thousand, three hundred twenty-two".