538403870 has 8 divisors (see below), whose sum is σ = 969126984. Its totient is φ = 215361544.

The previous prime is 538403837. The next prime is 538403911. The reversal of 538403870 is 78304835.

It is a happy number.

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, 26920184 + ... + 26920203.

It is an arithmetic number, because the mean of its divisors is an integer number (121140873).

Almost surely, 2^538403870 is an apocalyptic number.

538403870 is a deficient number, since it is larger than the sum of its proper divisors (430723114).

538403870 is a wasteful number, since it uses less digits than its factorization.

538403870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53840394.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 538403870 is about 23203.5314122657. The cubic root of 538403870 is about 813.5221666194.

The spelling of 538403870 in words is "five hundred thirty-eight million, four hundred three thousand, eight hundred seventy".