398652244 has 24 divisors (see below), whose sum is σ = 741521088. Its totient is φ = 186879360.

The previous prime is 398652209. The next prime is 398652253. The reversal of 398652244 is 442256893.

It is a super-2 number, since 2×398652244² = 317847223292471072, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 398652244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6739 + ... + 29029.

It is an arithmetic number, because the mean of its divisors is an integer number (30896712).

Almost surely, 2^398652244 is an apocalyptic number.

398652244 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

398652244 is a deficient number, since it is larger than the sum of its proper divisors (342868844).

398652244 is a wasteful number, since it uses less digits than its factorization.

398652244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22575 (or 22573 counting only the distinct ones).

The product of its digits is 414720, while the sum is 43.

The square root of 398652244 is about 19966.2776701117. The cubic root of 398652244 is about 735.9778393020.

The spelling of 398652244 in words is "three hundred ninety-eight million, six hundred fifty-two thousand, two hundred forty-four".