398472 has 16 divisors (see below), whose sum is σ = 996240. Its totient is φ = 132816.

The previous prime is 398471. The next prime is 398473. The reversal of 398472 is 274893.

It is an interprime number because it is at equal distance from previous prime (398471) and next prime (398473).

It is not an unprimeable number, because it can be changed into a prime (398471) 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, 8278 + ... + 8325.

It is an arithmetic number, because the mean of its divisors is an integer number (62265).

2³⁹⁸⁴⁷² is an apocalyptic number.

It is an amenable number.

398472 is an abundant number, since it is smaller than the sum of its proper divisors (597768).

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

398472 is a wasteful number, since it uses less digits than its factorization.

398472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16612 (or 16608 counting only the distinct ones).

The product of its digits is 12096, while the sum is 33.

The square root of 398472 is about 631.2463861283. The cubic root of 398472 is about 73.5866902523.

The spelling of 398472 in words is "three hundred ninety-eight thousand, four hundred seventy-two".