2190590392 has 8 divisors (see below), whose sum is σ = 4107357000. Its totient is φ = 1095295192.

The previous prime is 2190590387. The next prime is 2190590399. The reversal of 2190590392 is 2930950912.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2190590399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136911892 + ... + 136911907.

It is an arithmetic number, because the mean of its divisors is an integer number (513419625).

Almost surely, 2^2190590392 is an apocalyptic number.

It is an amenable number.

2190590392 is a deficient number, since it is larger than the sum of its proper divisors (1916766608).

2190590392 is a wasteful number, since it uses less digits than its factorization.

2190590392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273823805 (or 273823801 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 40.

The square root of 2190590392 is about 46803.7433545651. The cubic root of 2190590392 is about 1298.7345460886.

The spelling of 2190590392 in words is "two billion, one hundred ninety million, five hundred ninety thousand, three hundred ninety-two".