2429172 has 18 divisors (see below), whose sum is σ = 6140498. Its totient is φ = 809712.

The previous prime is 2429153. The next prime is 2429177. The reversal of 2429172 is 2719242.

It can be written as a sum of positive squares in only one way, i.e., 2232036 + 197136 = 1494^2 + 444^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2429177) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33703 + ... + 33774.

2^2429172 is an apocalyptic number.

It is an amenable number.

2429172 is an abundant number, since it is smaller than the sum of its proper divisors (3711326).

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

2429172 is a wasteful number, since it uses less digits than its factorization.

2429172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67487 (or 67482 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 2429172 is about 1558.5801230607. The cubic root of 2429172 is about 134.4268706903.

It can be divided in two parts, 2429 and 172, that added together give a square (2601 = 51²).

The spelling of 2429172 in words is "two million, four hundred twenty-nine thousand, one hundred seventy-two".