2154492 has 24 divisors (see below), whose sum is σ = 5586000. Its totient is φ = 718128.

The previous prime is 2154491. The next prime is 2154499. The reversal of 2154492 is 2944512.

2154492 is a `hidden beast` number, since 215 + 449 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154491) 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, 9867 + ... + 10082.

It is an arithmetic number, because the mean of its divisors is an integer number (232750).

2^2154492 is an apocalyptic number.

It is an amenable number.

2154492 is an abundant number, since it is smaller than the sum of its proper divisors (3431508).

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

2154492 is a wasteful number, since it uses less digits than its factorization.

2154492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19962 (or 19954 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 2154492 is about 1467.8187899056. The cubic root of 2154492 is about 129.1561117054.

The spelling of 2154492 in words is "two million, one hundred fifty-four thousand, four hundred ninety-two".