3859749 has 12 divisors (see below), whose sum is σ = 5643456. Its totient is φ = 2541672.

The previous prime is 3859693. The next prime is 3859759. The reversal of 3859749 is 9479583.

3859749 = 124³ + 125³.

It is not a de Polignac number, because 3859749 - 2⁷ = 3859621 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 3⁹ + 8³ + 5⁹ + 9⁶ + 7⁷ + 4 + 9⁶ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3859759) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1837 + ... + 3330.

It is an arithmetic number, because the mean of its divisors is an integer number (470288).

Almost surely, 2^3859749 is an apocalyptic number.

It is an amenable number.

3859749 is a deficient number, since it is larger than the sum of its proper divisors (1783707).

3859749 is a wasteful number, since it uses less digits than its factorization.

3859749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5256 (or 5253 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 3859749 is about 1964.6243915823. The cubic root of 3859749 is about 156.8627006331.

The spelling of 3859749 in words is "three million, eight hundred fifty-nine thousand, seven hundred forty-nine".