190964736 has 88 divisors (see below), whose sum is σ = 565627040. Its totient is φ = 63645696.

The previous prime is 190964729. The next prime is 190964759. The reversal of 190964736 is 637469091.

190964736 is a `hidden beast` number, since 1 + 90 + 96 + 473 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 190964691 and 190964700.

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, 24195 + ... + 31101.

It is an arithmetic number, because the mean of its divisors is an integer number (6427580).

Almost surely, 2^190964736 is an apocalyptic number.

190964736 is a gapful number since it is divisible by the number (16) 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 190964736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282813520).

190964736 is an abundant number, since it is smaller than the sum of its proper divisors (374662304).

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

190964736 is an equidigital number, since it uses as much as digits as its factorization.

190964736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6936 (or 6912 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 190964736 is about 13818.9990954483. Note that the first 3 decimals coincide. The cubic root of 190964736 is about 575.8610776078.

It can be divided in two parts, 19096 and 4736, that added together give a palindrome (23832).

The spelling of 190964736 in words is "one hundred ninety million, nine hundred sixty-four thousand, seven hundred thirty-six".