2153908 has 12 divisors (see below), whose sum is σ = 3785152. Its totient is φ = 1072440.

The previous prime is 2153903. The next prime is 2153909. The reversal of 2153908 is 8093512.

2153908 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91 + ... + 2077.

2^2153908 is an apocalyptic number.

It is an amenable number.

2153908 is a deficient number, since it is larger than the sum of its proper divisors (1631244).

2153908 is a wasteful number, since it uses less digits than its factorization.

2153908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2262 (or 2260 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 2153908 is about 1467.6198417846. The cubic root of 2153908 is about 129.1444408978.

The spelling of 2153908 in words is "two million, one hundred fifty-three thousand, nine hundred eight".