3724431 has 4 divisors (see below), whose sum is σ = 4965912. Its totient is φ = 2482952.

The previous prime is 3724429. The next prime is 3724439. The reversal of 3724431 is 1344273.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3724431 - 2¹ = 3724429 is a prime.

It is a super-2 number, since 2×3724431² = 27742772547522, which contains 22 as substring.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3724439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 620736 + ... + 620741.

It is an arithmetic number, because the mean of its divisors is an integer number (1241478).

Almost surely, 2^3724431 is an apocalyptic number.

3724431 is a deficient number, since it is larger than the sum of its proper divisors (1241481).

3724431 is a wasteful number, since it uses less digits than its factorization.

3724431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241480.

The product of its digits is 2016, while the sum is 24.

The square root of 3724431 is about 1929.8784935845. The cubic root of 3724431 is about 155.0077138027.

The spelling of 3724431 in words is "three million, seven hundred twenty-four thousand, four hundred thirty-one".