190506814 has 16 divisors (see below), whose sum is σ = 289636560. Its totient is φ = 93966400.

The previous prime is 190506809. The next prime is 190506847. The reversal of 190506814 is 418605091.

It is a self number, because there is not a number n which added to its sum of digits gives 190506814.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99264 + ... + 101164.

It is an arithmetic number, because the mean of its divisors is an integer number (18102285).

Almost surely, 2^190506814 is an apocalyptic number.

190506814 is a deficient number, since it is larger than the sum of its proper divisors (99129746).

190506814 is a wasteful number, since it uses less digits than its factorization.

190506814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2555.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 190506814 is about 13802.4205848105. The cubic root of 190506814 is about 575.4004157397.

The spelling of 190506814 in words is "one hundred ninety million, five hundred six thousand, eight hundred fourteen".