2154190 has 16 divisors (see below), whose sum is σ = 4003200. Its totient is φ = 833760.

The previous prime is 2154169. The next prime is 2154193. The reversal of 2154190 is 914512.

It is a super-2 number, since 2×2154190² = 9281069112200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3165 + ... + 3784.

It is an arithmetic number, because the mean of its divisors is an integer number (250200).

2^2154190 is an apocalyptic number.

2154190 is a deficient number, since it is larger than the sum of its proper divisors (1849010).

2154190 is a wasteful number, since it uses less digits than its factorization.

2154190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6987.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 2154190 is about 1467.7159125662. The cubic root of 2154190 is about 129.1500767224.

The spelling of 2154190 in words is "two million, one hundred fifty-four thousand, one hundred ninety".