2128624 has 10 divisors (see below), whose sum is σ = 4124240. Its totient is φ = 1064304.

The previous prime is 2128603. The next prime is 2128631. The reversal of 2128624 is 4268212.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66504 + ... + 66535.

It is an arithmetic number, because the mean of its divisors is an integer number (412424).

2^2128624 is an apocalyptic number.

It is an amenable number.

2128624 is a deficient number, since it is larger than the sum of its proper divisors (1995616).

2128624 is a wasteful number, since it uses less digits than its factorization.

2128624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133047 (or 133041 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

The square root of 2128624 is about 1458.9804659419. The cubic root of 2128624 is about 128.6371229235.

It can be divided in two parts, 212 and 8624, that added together give a square (8836 = 94²).

The spelling of 2128624 in words is "two million, one hundred twenty-eight thousand, six hundred twenty-four".