3962644 has 24 divisors (see below), whose sum is σ = 8012480. Its totient is φ = 1679616.

The previous prime is 3962641. The next prime is 3962653. The reversal of 3962644 is 4462693.

It is a d-powerful number, because it can be written as 3¹³ + 9 + 6³ + 2²¹ + 6⁵ + 4⁵ + 4⁹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3962641) 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, 1987 + ... + 3445.

Almost surely, 2^3962644 is an apocalyptic number.

It is an amenable number.

3962644 is an abundant number, since it is smaller than the sum of its proper divisors (4049836).

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

3962644 is a wasteful number, since it uses less digits than its factorization.

3962644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1567 (or 1565 counting only the distinct ones).

The product of its digits is 31104, while the sum is 34.

The square root of 3962644 is about 1990.6390933567. The cubic root of 3962644 is about 158.2444009043.

The spelling of 3962644 in words is "three million, nine hundred sixty-two thousand, six hundred forty-four".