2156350 has 48 divisors (see below), whose sum is σ = 4705056. Its totient is φ = 720000.

The previous prime is 2156339. The next prime is 2156351. The reversal of 2156350 is 536512.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2156351) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21300 + ... + 21400.

It is an arithmetic number, because the mean of its divisors is an integer number (98022).

2^2156350 is an apocalyptic number.

2156350 is an abundant number, since it is smaller than the sum of its proper divisors (2548706).

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

2156350 is a wasteful number, since it uses less digits than its factorization.

2156350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 2156350 is about 1468.4515654253. The cubic root of 2156350 is about 129.1932284373.

The spelling of 2156350 in words is "two million, one hundred fifty-six thousand, three hundred fifty".