2372421 has 8 divisors (see below), whose sum is σ = 3175200. Its totient is φ = 1575632.

The previous prime is 2372417. The next prime is 2372423. The reversal of 2372421 is 1242732.

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 2372421 - 2² = 2372417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2372423) 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, 471 + ... + 2228.

It is an arithmetic number, because the mean of its divisors is an integer number (396900).

2^2372421 is an apocalyptic number.

It is an amenable number.

2372421 is a deficient number, since it is larger than the sum of its proper divisors (802779).

2372421 is a wasteful number, since it uses less digits than its factorization.

2372421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2995.

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

The square root of 2372421 is about 1540.2665353763. The cubic root of 2372421 is about 133.3717715566.

The spelling of 2372421 in words is "two million, three hundred seventy-two thousand, four hundred twenty-one".