2190924 has 18 divisors (see below), whose sum is σ = 5538260. Its totient is φ = 730296.

The previous prime is 2190901. The next prime is 2190959. The reversal of 2190924 is 4290912.

2190924 = T₁₄₅ + T₁₄₆ + ... + T₂₅₂.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30394 + ... + 30465.

2^2190924 is an apocalyptic number.

It is an amenable number.

2190924 is an abundant number, since it is smaller than the sum of its proper divisors (3347336).

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

2190924 is a wasteful number, since it uses less digits than its factorization.

2190924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60869 (or 60864 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 2190924 is about 1480.1770164409. The cubic root of 2190924 is about 129.8800471428.

The spelling of 2190924 in words is "two million, one hundred ninety thousand, nine hundred twenty-four".