398252952 has 24 divisors (see below), whose sum is σ = 1078601940. Its totient is φ = 132750960.

The previous prime is 398252947. The next prime is 398252963. The reversal of 398252952 is 259252893.

398252952 is a `hidden beast` number, since 398 + 252 + 9 + 5 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 398252898 and 398252907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2765574 + ... + 2765717.

Almost surely, 2^398252952 is an apocalyptic number.

It is an amenable number.

398252952 is an abundant number, since it is smaller than the sum of its proper divisors (680348988).

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

398252952 is a wasteful number, since it uses less digits than its factorization.

398252952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5531303 (or 5531296 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 398252952 is about 19956.2760053072. The cubic root of 398252952 is about 735.7320375735.

The spelling of 398252952 in words is "three hundred ninety-eight million, two hundred fifty-two thousand, nine hundred fifty-two".