2190356 has 24 divisors (see below), whose sum is σ = 4420416. Its totient is φ = 930240.

The previous prime is 2190347. The next prime is 2190361. The reversal of 2190356 is 6530912.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3551 + ... + 4121.

It is an arithmetic number, because the mean of its divisors is an integer number (184184).

2^2190356 is an apocalyptic number.

It is an amenable number.

2190356 is an abundant number, since it is smaller than the sum of its proper divisors (2230060).

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

2190356 is a wasteful number, since it uses less digits than its factorization.

2190356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719 (or 717 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 2190356 is about 1479.9851350605. The cubic root of 2190356 is about 129.8688223136.

The spelling of 2190356 in words is "two million, one hundred ninety thousand, three hundred fifty-six".