398363053 has 16 divisors (see below), whose sum is σ = 461727360. Its totient is φ = 340200000.

The previous prime is 398363041. The next prime is 398363071. The reversal of 398363053 is 350363893.

It is a cyclic number.

It is not a de Polignac number, because 398363053 - 2²⁵ = 364808621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 398362997 and 398363015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398363003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5073 + ... + 28678.

It is an arithmetic number, because the mean of its divisors is an integer number (28857960).

Almost surely, 2^398363053 is an apocalyptic number.

It is an amenable number.

398363053 is a deficient number, since it is larger than the sum of its proper divisors (63364307).

398363053 is a wasteful number, since it uses less digits than its factorization.

398363053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33828.

The product of its (nonzero) digits is 174960, while the sum is 40.

The square root of 398363053 is about 19959.0343704298. The cubic root of 398363053 is about 735.7998314794.

The spelling of 398363053 in words is "three hundred ninety-eight million, three hundred sixty-three thousand, fifty-three".