2120408 has 16 divisors (see below), whose sum is σ = 3996000. Its totient is φ = 1054816.

The previous prime is 2120387. The next prime is 2120411. The reversal of 2120408 is 8040212.

It is a super-2 number, since 2×2120408² = 8992260172928, which contains 22 as substring.

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, 1358 + ... + 2466.

It is an arithmetic number, because the mean of its divisors is an integer number (249750).

2^2120408 is an apocalyptic number.

It is an amenable number.

2120408 is a deficient number, since it is larger than the sum of its proper divisors (1875592).

2120408 is a wasteful number, since it uses less digits than its factorization.

2120408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1354 (or 1350 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 2120408 is about 1456.1620788909. The cubic root of 2120408 is about 128.4714062759.

The spelling of 2120408 in words is "two million, one hundred twenty thousand, four hundred eight".