2372405 has 8 divisors (see below), whose sum is σ = 3253632. Its totient is φ = 1626768.

The previous prime is 2372393. The next prime is 2372413. The reversal of 2372405 is 5042732.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2372405 - 2¹² = 2368309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33857 + ... + 33926.

It is an arithmetic number, because the mean of its divisors is an integer number (406704).

2^2372405 is an apocalyptic number.

It is an amenable number.

2372405 is a deficient number, since it is larger than the sum of its proper divisors (881227).

2372405 is an equidigital number, since it uses as much as digits as its factorization.

2372405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67795.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 2372405 is about 1540.2613414612. The cubic root of 2372405 is about 133.3714717288.

It can be divided in two parts, 2 and 372405, that multiplied together give a triangular number (744810 = T₁₂₂₀).

The spelling of 2372405 in words is "two million, three hundred seventy-two thousand, four hundred five".