398934652 has 12 divisors (see below), whose sum is σ = 699196456. Its totient is φ = 199164240.

The previous prime is 398934649. The next prime is 398934677. The reversal of 398934652 is 256439893.

It is a super-2 number, since 2×398934652² = 318297713132722208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 398934596 and 398934605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72798 + ... + 78085.

Almost surely, 2^398934652 is an apocalyptic number.

It is an amenable number.

398934652 is a deficient number, since it is larger than the sum of its proper divisors (300261804).

398934652 is a wasteful number, since it uses less digits than its factorization.

398934652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151548 (or 151546 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 49.

The square root of 398934652 is about 19973.3485424953. The cubic root of 398934652 is about 736.1515888730.

The spelling of 398934652 in words is "three hundred ninety-eight million, nine hundred thirty-four thousand, six hundred fifty-two".