2153390 has 32 divisors (see below), whose sum is σ = 4199040. Its totient is φ = 792064.

The previous prime is 2153387. The next prime is 2153401. The reversal of 2153390 is 933512.

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 in 15 ways as a sum of consecutive naturals, for example, 8891 + ... + 9129.

It is an arithmetic number, because the mean of its divisors is an integer number (131220).

2^2153390 is an apocalyptic number.

2153390 is a deficient number, since it is larger than the sum of its proper divisors (2045650).

2153390 is a wasteful number, since it uses less digits than its factorization.

2153390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316.

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 2153390 is about 1467.4433549545. The cubic root of 2153390 is about 129.1340872856.

The spelling of 2153390 in words is "two million, one hundred fifty-three thousand, three hundred ninety".