2342172 has 24 divisors (see below), whose sum is σ = 6246016. Its totient is φ = 669168.

The previous prime is 2342129. The next prime is 2342173. The reversal of 2342172 is 2712432.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2342173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13858 + ... + 14025.

2^2342172 is an apocalyptic number.

It is an amenable number.

2342172 is an abundant number, since it is smaller than the sum of its proper divisors (3903844).

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

2342172 is a wasteful number, since it uses less digits than its factorization.

2342172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27897 (or 27895 counting only the distinct ones).

The product of its digits is 672, while the sum is 21.

The square root of 2342172 is about 1530.4156298209. The cubic root of 2342172 is about 132.8025033399.

It can be divided in two parts, 23 and 42172, that added together give a triangular number (42195 = T₂₉₀).

The spelling of 2342172 in words is "two million, three hundred forty-two thousand, one hundred seventy-two".