537651998 has 8 divisors (see below), whose sum is σ = 868514808. Its totient is φ = 248147064.

The previous prime is 537651923. The next prime is 537652007. The reversal of 537651998 is 899156735.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10339436 + ... + 10339487.

It is an arithmetic number, because the mean of its divisors is an integer number (108564351).

Almost surely, 2^537651998 is an apocalyptic number.

537651998 is a deficient number, since it is larger than the sum of its proper divisors (330862810).

537651998 is a wasteful number, since it uses less digits than its factorization.

537651998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20678938.

The product of its digits is 2041200, while the sum is 53.

The square root of 537651998 is about 23187.3240801952. The cubic root of 537651998 is about 813.1433001711.

The spelling of 537651998 in words is "five hundred thirty-seven million, six hundred fifty-one thousand, nine hundred ninety-eight".