2154412 has 18 divisors (see below), whose sum is σ = 4083828. Its totient is φ = 994032.

The previous prime is 2154389. The next prime is 2154413. The reversal of 2154412 is 2144512.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2154412.

It is not an unprimeable number, because it can be changed into a prime (2154413) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 918 + ... + 2269.

2^2154412 is an apocalyptic number.

It is an amenable number.

2154412 is a deficient number, since it is larger than the sum of its proper divisors (1929416).

2154412 is a wasteful number, since it uses less digits than its factorization.

2154412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3217 (or 3202 counting only the distinct ones).

The product of its digits is 320, while the sum is 19.

The square root of 2154412 is about 1467.7915383323. The cubic root of 2154412 is about 129.1545130893.

Adding to 2154412 its reverse (2144512), we get a palindrome (4298924).

The spelling of 2154412 in words is "two million, one hundred fifty-four thousand, four hundred twelve".