190232390 has 16 divisors (see below), whose sum is σ = 342664560. Its totient is φ = 76038240.

The previous prime is 190232369. The next prime is 190232401. The reversal of 190232390 is 93232091.

190232390 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×190232390² = 72376724410224200, 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, 9656 + ... + 21764.

It is an arithmetic number, because the mean of its divisors is an integer number (21416535).

Almost surely, 2^190232390 is an apocalyptic number.

190232390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190232390 is a deficient number, since it is larger than the sum of its proper divisors (152432170).

190232390 is a wasteful number, since it uses less digits than its factorization.

190232390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13687.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 190232390 is about 13792.4758473597. The cubic root of 190232390 is about 575.1239959433.

The spelling of 190232390 in words is "one hundred ninety million, two hundred thirty-two thousand, three hundred ninety".