2153826 has 12 divisors (see below), whose sum is σ = 4666662. Its totient is φ = 717936.

The previous prime is 2153819. The next prime is 2153839. The reversal of 2153826 is 6283512.

It can be written as a sum of positive squares in only one way, i.e., 2030625 + 123201 = 1425^2 + 351^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2153826.

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, 59811 + ... + 59846.

2^2153826 is an apocalyptic number.

2153826 is an abundant number, since it is smaller than the sum of its proper divisors (2512836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2153826 is a wasteful number, since it uses less digits than its factorization.

2153826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119665 (or 119662 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 2153826 is about 1467.5919051289. The cubic root of 2153826 is about 129.1428020196.

The spelling of 2153826 in words is "two million, one hundred fifty-three thousand, eight hundred twenty-six".