3748631 has 4 divisors (see below), whose sum is σ = 3753672. Its totient is φ = 3743592.

The previous prime is 3748607. The next prime is 3748651. The reversal of 3748631 is 1368473.

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 3748631 - 2¹⁰ = 3747607 is a prime.

It is a super-2 number, since 2×3748631² = 28104468748322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3748651) 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, 1160 + ... + 2973.

It is an arithmetic number, because the mean of its divisors is an integer number (938418).

Almost surely, 2^3748631 is an apocalyptic number.

3748631 is a deficient number, since it is larger than the sum of its proper divisors (5041).

3748631 is an equidigital number, since it uses as much as digits as its factorization.

3748631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5040.

The product of its digits is 12096, while the sum is 32.

The square root of 3748631 is about 1936.1381665573. The cubic root of 3748631 is about 155.3427172130.

The spelling of 3748631 in words is "three million, seven hundred forty-eight thousand, six hundred thirty-one".