3748997 has 4 divisors (see below), whose sum is σ = 4284576. Its totient is φ = 3213420.

The previous prime is 3748991. The next prime is 3749021. The reversal of 3748997 is 7998473.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3748997 - 2⁴ = 3748981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3748991) 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, 267779 + ... + 267792.

It is an arithmetic number, because the mean of its divisors is an integer number (1071144).

Almost surely, 2^3748997 is an apocalyptic number.

It is an amenable number.

3748997 is a deficient number, since it is larger than the sum of its proper divisors (535579).

3748997 is an equidigital number, since it uses as much as digits as its factorization.

3748997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535578.

The product of its digits is 381024, while the sum is 47.

The square root of 3748997 is about 1936.2326822983. The cubic root of 3748997 is about 155.3477727106.

The spelling of 3748997 in words is "three million, seven hundred forty-eight thousand, nine hundred ninety-seven".