190399352 has 64 divisors (see below), whose sum is σ = 422604000. Its totient is φ = 79280640.

The previous prime is 190399343. The next prime is 190399357. The reversal of 190399352 is 253993091.

It is a happy number.

190399352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190399357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169898 + ... + 171014.

Almost surely, 2^190399352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190399352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211302000).

190399352 is an abundant number, since it is smaller than the sum of its proper divisors (232204648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

190399352 is a wasteful number, since it uses less digits than its factorization.

190399352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296 (or 1292 counting only the distinct ones).

The product of its (nonzero) digits is 65610, while the sum is 41.

The square root of 190399352 is about 13798.5271677813. The cubic root of 190399352 is about 575.2922038455.

The spelling of 190399352 in words is "one hundred ninety million, three hundred ninety-nine thousand, three hundred fifty-two".