3944465 has 16 divisors (see below), whose sum is σ = 5443200. Its totient is φ = 2688000.

The previous prime is 3944461. The next prime is 3944483. The reversal of 3944465 is 5644493.

It is not a de Polignac number, because 3944465 - 2² = 3944461 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (3944461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8561 + ... + 9009.

It is an arithmetic number, because the mean of its divisors is an integer number (340200).

Almost surely, 2^3944465 is an apocalyptic number.

3944465 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3944465 is a deficient number, since it is larger than the sum of its proper divisors (1498735).

3944465 is a wasteful number, since it uses less digits than its factorization.

3944465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712.

The product of its digits is 51840, while the sum is 35.

The square root of 3944465 is about 1986.0677229138. The cubic root of 3944465 is about 158.0020429154.

The spelling of 3944465 in words is "three million, nine hundred forty-four thousand, four hundred sixty-five".