538625890 has 32 divisors (see below), whose sum is σ = 1059454080. Its totient is φ = 195532800.

The previous prime is 538625887. The next prime is 538625929. The reversal of 538625890 is 98526835.

It is a self number, because there is not a number n which added to its sum of digits gives 538625890.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66691 + ... + 74329.

It is an arithmetic number, because the mean of its divisors is an integer number (33107940).

Almost surely, 2^538625890 is an apocalyptic number.

538625890 is a deficient number, since it is larger than the sum of its proper divisors (520828190).

538625890 is a wasteful number, since it uses less digits than its factorization.

538625890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8298.

The product of its (nonzero) digits is 518400, while the sum is 46.

The square root of 538625890 is about 23208.3151047205. The cubic root of 538625890 is about 813.6339744897.

The spelling of 538625890 in words is "five hundred thirty-eight million, six hundred twenty-five thousand, eight hundred ninety".