190900632 has 64 divisors (see below), whose sum is σ = 515299680. Its totient is φ = 58586112.

The previous prime is 190900631. The next prime is 190900637. The reversal of 190900632 is 236009091.

It is a self number, because there is not a number n which added to its sum of digits gives 190900632.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190900631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203268 + ... + 204204.

Almost surely, 2^190900632 is an apocalyptic number.

190900632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190900632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257649840).

190900632 is an abundant number, since it is smaller than the sum of its proper divisors (324399048).

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

190900632 is a wasteful number, since it uses less digits than its factorization.

190900632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1612 (or 1608 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 190900632 is about 13816.6794853177. The cubic root of 190900632 is about 575.7966344186.

The spelling of 190900632 in words is "one hundred ninety million, nine hundred thousand, six hundred thirty-two".