538858401 has 32 divisors (see below), whose sum is σ = 771907968. Its totient is φ = 333189120.

The previous prime is 538858391. The next prime is 538858423. The reversal of 538858401 is 104858835.

It is not a de Polignac number, because 538858401 - 2⁷ = 538858273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (538858451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1627806 + ... + 1628136.

It is an arithmetic number, because the mean of its divisors is an integer number (24122124).

Almost surely, 2^538858401 is an apocalyptic number.

538858401 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

538858401 is a deficient number, since it is larger than the sum of its proper divisors (233049567).

538858401 is a wasteful number, since it uses less digits than its factorization.

538858401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721.

The product of its (nonzero) digits is 153600, while the sum is 42.

The square root of 538858401 is about 23213.3237818284. The cubic root of 538858401 is about 813.7510326296.

The spelling of 538858401 in words is "five hundred thirty-eight million, eight hundred fifty-eight thousand, four hundred one".