3996567 has 8 divisors (see below), whose sum is σ = 5920880. Its totient is φ = 2664360.

The previous prime is 3996541. The next prime is 3996569. The reversal of 3996567 is 7656993.

It is not a de Polignac number, because 3996567 - 2⁷ = 3996439 is a prime.

It is a Duffinian number.

3996567 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3996569) 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, 73984 + ... + 74037.

It is an arithmetic number, because the mean of its divisors is an integer number (740110).

Almost surely, 2^3996567 is an apocalyptic number.

3996567 is a deficient number, since it is larger than the sum of its proper divisors (1924313).

3996567 is a wasteful number, since it uses less digits than its factorization.

3996567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148030 (or 148024 counting only the distinct ones).

The product of its digits is 306180, while the sum is 45.

The square root of 3996567 is about 1999.1415657727. The cubic root of 3996567 is about 158.6946793003.

The spelling of 3996567 in words is "three million, nine hundred ninety-six thousand, five hundred sixty-seven".