398280332 has 12 divisors (see below), whose sum is σ = 703385760. Its totient is φ = 197312976.

The previous prime is 398280331. The next prime is 398280341. The reversal of 398280332 is 233082893.

It is not an unprimeable number, because it can be changed into a prime (398280331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 456308 + ... + 457179.

It is an arithmetic number, because the mean of its divisors is an integer number (58615480).

Almost surely, 2^398280332 is an apocalyptic number.

It is an amenable number.

398280332 is a deficient number, since it is larger than the sum of its proper divisors (305105428).

398280332 is a wasteful number, since it uses less digits than its factorization.

398280332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913600 (or 913598 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 398280332 is about 19956.9619932494. The cubic root of 398280332 is about 735.7488977805.

The spelling of 398280332 in words is "three hundred ninety-eight million, two hundred eighty thousand, three hundred thirty-two".