3924642 has 8 divisors (see below), whose sum is σ = 7849296. Its totient is φ = 1308212.

The previous prime is 3924617. The next prime is 3924649. The reversal of 3924642 is 2464293.

It is a sphenic number, since it is the product of 3 distinct primes.

3924642 is an admirable number.

It is an Ulam number.

It is a d-powerful number, because it can be written as 3⁴ + 9² + 2¹⁷ + 4⁴ + 6⁸ + 4⁷ + 2²¹ .

It is not an unprimeable number, because it can be changed into a prime (3924649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327048 + ... + 327059.

It is an arithmetic number, because the mean of its divisors is an integer number (981162).

Almost surely, 2^3924642 is an apocalyptic number.

3924642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3924642 is a wasteful number, since it uses less digits than its factorization.

3924642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654112.

The product of its digits is 10368, while the sum is 30.

The square root of 3924642 is about 1981.0709225063. The cubic root of 3924642 is about 157.7369173140.

The spelling of 3924642 in words is "three million, nine hundred twenty-four thousand, six hundred forty-two".