2153398 has 24 divisors (see below), whose sum is σ = 3662928. Its totient is φ = 947232.

The previous prime is 2153387. The next prime is 2153401. The reversal of 2153398 is 8933512.

It is a happy number.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7636 + ... + 7912.

It is an arithmetic number, because the mean of its divisors is an integer number (152622).

2^2153398 is an apocalyptic number.

2153398 is a deficient number, since it is larger than the sum of its proper divisors (1509530).

2153398 is a wasteful number, since it uses less digits than its factorization.

2153398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328 (or 315 counting only the distinct ones).

The product of its digits is 6480, while the sum is 31.

The square root of 2153398 is about 1467.4460807812. The cubic root of 2153398 is about 129.1342471996.

The spelling of 2153398 in words is "two million, one hundred fifty-three thousand, three hundred ninety-eight".