2437421 has 8 divisors (see below), whose sum is σ = 2881920. Its totient is φ = 2017008.

The previous prime is 2437411. The next prime is 2437423. The reversal of 2437421 is 1247342.

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

It is a de Polignac number, because none of the positive numbers 2^k-2437421 is a prime.

It is a super-2 number, since 2×2437421² = 11882042262482, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2437423) 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, 5801 + ... + 6206.

It is an arithmetic number, because the mean of its divisors is an integer number (360240).

2^2437421 is an apocalyptic number.

It is an amenable number.

2437421 is a deficient number, since it is larger than the sum of its proper divisors (444499).

2437421 is a wasteful number, since it uses less digits than its factorization.

2437421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12043.

The product of its digits is 1344, while the sum is 23.

The square root of 2437421 is about 1561.2241991463. The cubic root of 2437421 is about 134.5788613590.

The spelling of 2437421 in words is "two million, four hundred thirty-seven thousand, four hundred twenty-one".