2397872 has 10 divisors (see below), whose sum is σ = 4645908. Its totient is φ = 1198928.

The previous prime is 2397869. The next prime is 2397907. The reversal of 2397872 is 2787932.

It is a d-powerful number, because it can be written as 2¹⁸ + 3⁶ + 9³ + 7 + 8⁶ + 7⁷ + 2²⁰ .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74918 + ... + 74949.

2^2397872 is an apocalyptic number.

It is an amenable number.

2397872 is a deficient number, since it is larger than the sum of its proper divisors (2248036).

2397872 is a wasteful number, since it uses less digits than its factorization.

2397872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149875 (or 149869 counting only the distinct ones).

The product of its digits is 42336, while the sum is 38.

The square root of 2397872 is about 1548.5063771260. The cubic root of 2397872 is about 133.8470073898.

The spelling of 2397872 in words is "two million, three hundred ninety-seven thousand, eight hundred seventy-two".