2377421 has 8 divisors (see below), whose sum is σ = 2502144. Its totient is φ = 2255760.

The previous prime is 2377411. The next prime is 2377423. The reversal of 2377421 is 1247732.

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 2377421 - 2⁶ = 2377357 is a prime.

It is a super-2 number, since 2×2377421² = 11304261222482, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2377423) 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, 920 + ... + 2366.

It is an arithmetic number, because the mean of its divisors is an integer number (312768).

2^2377421 is an apocalyptic number.

It is an amenable number.

2377421 is a deficient number, since it is larger than the sum of its proper divisors (124723).

2377421 is a wasteful number, since it uses less digits than its factorization.

2377421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531.

The product of its digits is 2352, while the sum is 26.

The square root of 2377421 is about 1541.8887767929. Note that the first 3 decimals coincide. The cubic root of 2377421 is about 133.4654017801.

The spelling of 2377421 in words is "two million, three hundred seventy-seven thousand, four hundred twenty-one".