3869742 has 32 divisors (see below), whose sum is σ = 8097408. Its totient is φ = 1231776.

The previous prime is 3869741. The next prime is 3869743. The reversal of 3869742 is 2479683.

3869742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3869741) and next prime (3869743).

Its product of digits (72576) is a multiple of the sum of its prime divisors (384).

It is a self number, because there is not a number n which added to its sum of digits gives 3869742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3869741) 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 15 ways as a sum of consecutive naturals, for example, 13533 + ... + 13815.

It is an arithmetic number, because the mean of its divisors is an integer number (253044).

Almost surely, 2^3869742 is an apocalyptic number.

3869742 is an abundant number, since it is smaller than the sum of its proper divisors (4227666).

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

3869742 is a wasteful number, since it uses less digits than its factorization.

3869742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384.

The product of its digits is 72576, while the sum is 39.

The square root of 3869742 is about 1967.1659818124. The cubic root of 3869742 is about 156.9979579704.

The spelling of 3869742 in words is "three million, eight hundred sixty-nine thousand, seven hundred forty-two".