3640167 has 16 divisors (see below), whose sum is σ = 5580000. Its totient is φ = 2342592.

The previous prime is 3640163. The next prime is 3640181. The reversal of 3640167 is 7610463.

3640167 is a `hidden beast` number, since 3 + 640 + 16 + 7 = 666.

It is not a de Polignac number, because 3640167 - 2² = 3640163 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3640167.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3640163) 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, 1542 + ... + 3107.

It is an arithmetic number, because the mean of its divisors is an integer number (348750).

Almost surely, 2^3640167 is an apocalyptic number.

3640167 is a deficient number, since it is larger than the sum of its proper divisors (1939833).

3640167 is a wasteful number, since it uses less digits than its factorization.

3640167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4687 (or 4681 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 3640167 is about 1907.9221682239. The cubic root of 3640167 is about 153.8297860728.

The spelling of 3640167 in words is "three million, six hundred forty thousand, one hundred sixty-seven".