2153746 has 12 divisors (see below), whose sum is σ = 3758238. Its totient is φ = 922992.

The previous prime is 2153737. The next prime is 2153773. The reversal of 2153746 is 6473512.

It can be written as a sum of positive squares in only one way, i.e., 1863225 + 290521 = 1365^2 + 539^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10891 + ... + 11086.

2^2153746 is an apocalyptic number.

2153746 is a deficient number, since it is larger than the sum of its proper divisors (1604492).

2153746 is a wasteful number, since it uses less digits than its factorization.

2153746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21993 (or 21986 counting only the distinct ones).

The product of its digits is 5040, while the sum is 28.

The square root of 2153746 is about 1467.5646493426. The cubic root of 2153746 is about 129.1412030739.

The spelling of 2153746 in words is "two million, one hundred fifty-three thousand, seven hundred forty-six".