3969612 has 36 divisors (see below), whose sum is σ = 10360896. Its totient is φ = 1280160.

The previous prime is 3969611. The next prime is 3969629. The reversal of 3969612 is 2169693.

3969612 is a `hidden beast` number, since 39 + 6 + 9 + 612 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (3969611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 663 + ... + 2894.

Almost surely, 2^3969612 is an apocalyptic number.

It is an amenable number.

3969612 is an abundant number, since it is smaller than the sum of its proper divisors (6391284).

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

3969612 is a wasteful number, since it uses less digits than its factorization.

3969612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3598 (or 3593 counting only the distinct ones).

The product of its digits is 17496, while the sum is 36.

The square root of 3969612 is about 1992.3885163291. The cubic root of 3969612 is about 158.3371000643.

The spelling of 3969612 in words is "three million, nine hundred sixty-nine thousand, six hundred twelve".