2154396 has 12 divisors (see below), whose sum is σ = 5026952. Its totient is φ = 718128.

The previous prime is 2154389. The next prime is 2154413. The reversal of 2154396 is 6934512.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89755 + ... + 89778.

2^2154396 is an apocalyptic number.

It is an amenable number.

2154396 is an abundant number, since it is smaller than the sum of its proper divisors (2872556).

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

2154396 is a wasteful number, since it uses less digits than its factorization.

2154396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179540 (or 179538 counting only the distinct ones).

The product of its digits is 6480, while the sum is 30.

The square root of 2154396 is about 1467.7860879570. The cubic root of 2154396 is about 129.1541933614.

It can be divided in two parts, 21 and 54396, that multiplied together give a triangular number (1142316 = T₁₅₁₁).

The spelling of 2154396 in words is "two million, one hundred fifty-four thousand, three hundred ninety-six".