3850749 has 24 divisors (see below), whose sum is σ = 6693440. Its totient is φ = 2083968.

The previous prime is 3850723. The next prime is 3850811. The reversal of 3850749 is 9470583.

It is not a de Polignac number, because 3850749 - 2⁷ = 3850621 is a prime.

It is a super-2 number, since 2×3850749² = 29656535722002, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3850949) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 412 + ... + 2805.

Almost surely, 2^3850749 is an apocalyptic number.

It is an amenable number.

3850749 is a deficient number, since it is larger than the sum of its proper divisors (2842691).

3850749 is a wasteful number, since it uses less digits than its factorization.

3850749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3249 (or 3246 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 3850749 is about 1962.3325406261. The cubic root of 3850749 is about 156.7406838018.

The spelling of 3850749 in words is "three million, eight hundred fifty thousand, seven hundred forty-nine".