538401735 has 24 divisors (see below), whose sum is σ = 967795920. Its totient is φ = 287146944.

The previous prime is 538401691. The next prime is 538401751. The reversal of 538401735 is 537104835.

538401735 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 538401735 - 2²² = 534207431 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 538401735.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 220350 + ... + 222779.

It is an arithmetic number, because the mean of its divisors is an integer number (40324830).

Almost surely, 2^538401735 is an apocalyptic number.

538401735 is a deficient number, since it is larger than the sum of its proper divisors (429394185).

538401735 is an equidigital number, since it uses as much as digits as its factorization.

538401735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443149 (or 443137 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 538401735 is about 23203.4854062919. The cubic root of 538401735 is about 813.5210912977.

The spelling of 538401735 in words is "five hundred thirty-eight million, four hundred one thousand, seven hundred thirty-five".