398386053 has 128 divisors (see below), whose sum is σ = 722534400. Its totient is φ = 214617600.

The previous prime is 398386049. The next prime is 398386057. The reversal of 398386053 is 350683893.

398386053 is a `hidden beast` number, since 3 + 9 + 8 + 38 + 605 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (398386049) and next prime (398386057).

It is not a de Polignac number, because 398386053 - 2² = 398386049 is a prime.

It is a super-2 number, since 2×398386053² = 317422894449837618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398386057) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 8476276 + ... + 8476322.

It is an arithmetic number, because the mean of its divisors is an integer number (5644800).

Almost surely, 2^398386053 is an apocalyptic number.

It is an amenable number.

398386053 is a deficient number, since it is larger than the sum of its proper divisors (324148347).

398386053 is a wasteful number, since it uses less digits than its factorization.

398386053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 398386053 is about 19959.6105422927. The cubic root of 398386053 is about 735.8139919881.

The spelling of 398386053 in words is "three hundred ninety-eight million, three hundred eighty-six thousand, fifty-three".