2172950 has 24 divisors (see below), whose sum is σ = 4353888. Its totient is φ = 802080.

The previous prime is 2172949. The next prime is 2172967. The reversal of 2172950 is 592712.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1022 + ... + 2321.

It is an arithmetic number, because the mean of its divisors is an integer number (181412).

2^2172950 is an apocalyptic number.

2172950 is an abundant number, since it is smaller than the sum of its proper divisors (2180938).

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

2172950 is a wasteful number, since it uses less digits than its factorization.

2172950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3368 (or 3363 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 2172950 is about 1474.0929414389. The cubic root of 2172950 is about 129.5238995260.

The spelling of 2172950 in words is "two million, one hundred seventy-two thousand, nine hundred fifty".