2174942 has 32 divisors (see below), whose sum is σ = 4216320. Its totient is φ = 816480.

The previous prime is 2174941. The next prime is 2174947. The reversal of 2174942 is 2494712.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2174941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4223 + ... + 4709.

It is an arithmetic number, because the mean of its divisors is an integer number (131760).

2^2174942 is an apocalyptic number.

2174942 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2174942 is a deficient number, since it is larger than the sum of its proper divisors (2041378).

2174942 is a wasteful number, since it uses less digits than its factorization.

2174942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536.

The product of its digits is 4032, while the sum is 29.

The square root of 2174942 is about 1474.7684564026. The cubic root of 2174942 is about 129.5634667512.

The spelling of 2174942 in words is "two million, one hundred seventy-four thousand, nine hundred forty-two".