3869744 has 40 divisors (see below), whose sum is σ = 8155728. Its totient is φ = 1771520.

The previous prime is 3869743. The next prime is 3869753. The reversal of 3869744 is 4479683.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (3869741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10979 + ... + 11325.

Almost surely, 2^3869744 is an apocalyptic number.

3869744 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3869744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4077864).

3869744 is an abundant number, since it is smaller than the sum of its proper divisors (4285984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3869744 is a wasteful number, since it uses less digits than its factorization.

3869744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413 (or 407 counting only the distinct ones).

The product of its digits is 145152, while the sum is 41.

The square root of 3869744 is about 1967.1664901579. The cubic root of 3869744 is about 156.9979850175.

The spelling of 3869744 in words is "three million, eight hundred sixty-nine thousand, seven hundred forty-four".