2170942 has 8 divisors (see below), whose sum is σ = 3263832. Its totient is φ = 1083000.

The previous prime is 2170939. The next prime is 2170943. The reversal of 2170942 is 2490712.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2170943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192 + ... + 2092.

It is an arithmetic number, because the mean of its divisors is an integer number (407979).

2^2170942 is an apocalyptic number.

2170942 is a deficient number, since it is larger than the sum of its proper divisors (1092890).

2170942 is a wasteful number, since it uses less digits than its factorization.

2170942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2474.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 2170942 is about 1473.4116872076. The cubic root of 2170942 is about 129.4839900106.

The spelling of 2170942 in words is "two million, one hundred seventy thousand, nine hundred forty-two".