2351872 has 18 divisors (see below), whose sum is σ = 4695068. Its totient is φ = 1175808.

The previous prime is 2351863. The next prime is 2351891. The reversal of 2351872 is 2781532.

It is a self number, because there is not a number n which added to its sum of digits gives 2351872.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4338 + ... + 4849.

2^2351872 is an apocalyptic number.

It is an amenable number.

2351872 is a deficient number, since it is larger than the sum of its proper divisors (2343196).

2351872 is an frugal number, since it uses more digits than its factorization.

2351872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9203 (or 9189 counting only the distinct ones).

The product of its digits is 3360, while the sum is 28.

The square root of 2351872 is about 1533.5814292042. The cubic root of 2351872 is about 132.9855826986.

It can be divided in two parts, 2351 and 872, that added together give a palindrome (3223).

The spelling of 2351872 in words is "two million, three hundred fifty-one thousand, eight hundred seventy-two".