190693910 has 16 divisors (see below), whose sum is σ = 374453712. Its totient is φ = 69343200.

The previous prime is 190693903. The next prime is 190693933. The reversal of 190693910 is 19396091.

190693910 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×190693910² = 72728334622176200, which contains 22 as substring.

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, 866681 + ... + 866900.

It is an arithmetic number, because the mean of its divisors is an integer number (23403357).

Almost surely, 2^190693910 is an apocalyptic number.

190693910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190693910 is a deficient number, since it is larger than the sum of its proper divisors (183759802).

190693910 is a wasteful number, since it uses less digits than its factorization.

190693910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1733599.

The product of its (nonzero) digits is 13122, while the sum is 38.

The square root of 190693910 is about 13809.1965732985. The cubic root of 190693910 is about 575.5887202778.

The spelling of 190693910 in words is "one hundred ninety million, six hundred ninety-three thousand, nine hundred ten".