3944694 has 32 divisors (see below), whose sum is σ = 8596224. Its totient is φ = 1199520.

The previous prime is 3944683. The next prime is 3944711. The reversal of 3944694 is 4964493.

It is a super-2 number, since 2×3944694² = 31121221507272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7789 + ... + 8279.

It is an arithmetic number, because the mean of its divisors is an integer number (268632).

Almost surely, 2^3944694 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3944694, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4298112).

3944694 is an abundant number, since it is smaller than the sum of its proper divisors (4651530).

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

3944694 is a wasteful number, since it uses less digits than its factorization.

3944694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612.

The product of its digits is 93312, while the sum is 39.

The square root of 3944694 is about 1986.1253736862. The cubic root of 3944694 is about 158.0051005137.

The spelling of 3944694 in words is "three million, nine hundred forty-four thousand, six hundred ninety-four".