3748657 has 4 divisors (see below), whose sum is σ = 4089456. Its totient is φ = 3407860.

The previous prime is 3748651. The next prime is 3748663. The reversal of 3748657 is 7568473.

3748657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 an interprime number because it is at equal distance from previous prime (3748651) and next prime (3748663).

It is a cyclic number.

It is not a de Polignac number, because 3748657 - 2¹⁵ = 3715889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3748651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170383 + ... + 170404.

It is an arithmetic number, because the mean of its divisors is an integer number (1022364).

Almost surely, 2^3748657 is an apocalyptic number.

It is an amenable number.

3748657 is a deficient number, since it is larger than the sum of its proper divisors (340799).

3748657 is a wasteful number, since it uses less digits than its factorization.

3748657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340798.

The product of its digits is 141120, while the sum is 40.

The square root of 3748657 is about 1936.1448809425. The cubic root of 3748657 is about 155.3430763576.

The spelling of 3748657 in words is "three million, seven hundred forty-eight thousand, six hundred fifty-seven".