190564704 has 96 divisors (see below), whose sum is σ = 606372480. Its totient is φ = 57744000.

The previous prime is 190564697. The next prime is 190564709. The reversal of 190564704 is 407465091.

190564704 is a `hidden beast` number, since 1 + 9 + 0 + 5 + 647 + 0 + 4 = 666.

190564704 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190564709) 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, 522 + ... + 19529.

It is an arithmetic number, because the mean of its divisors is an integer number (6316380).

Almost surely, 2^190564704 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 190564704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303186240).

190564704 is an abundant number, since it is smaller than the sum of its proper divisors (415807776).

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

190564704 is a wasteful number, since it uses less digits than its factorization.

190564704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20081 (or 20067 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 190564704 is about 13804.5175214493. The cubic root of 190564704 is about 575.4586928444.

The spelling of 190564704 in words is "one hundred ninety million, five hundred sixty-four thousand, seven hundred four".