2163492 has 36 divisors (see below), whose sum is σ = 5758480. Its totient is φ = 682992.

The previous prime is 2163481. The next prime is 2163503. The reversal of 2163492 is 2943612.

2163492 is a `hidden beast` number, since 21 + 634 + 9 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (2163481) and next prime (2163503).

It is a tau number, because it is divible by the number of its divisors (36).

It is a nude number because it is divisible by every one of its digits.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 898 + ... + 2265.

2^2163492 is an apocalyptic number.

It is an amenable number.

2163492 is an abundant number, since it is smaller than the sum of its proper divisors (3594988).

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

2163492 is a wasteful number, since it uses less digits than its factorization.

2163492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3192 (or 3187 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 2163492 is about 1470.8813684319. The cubic root of 2163492 is about 129.3357039515.

Subtracting from 2163492 its product of digits (2592), we obtain a square (2160900 = 1470²).

The spelling of 2163492 in words is "two million, one hundred sixty-three thousand, four hundred ninety-two".