3642567 has 4 divisors (see below), whose sum is σ = 4856760. Its totient is φ = 2428376.

The previous prime is 3642559. The next prime is 3642571. The reversal of 3642567 is 7652463.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3642567 - 2³ = 3642559 is a prime.

It is a D-number.

3642567 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3642577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 607092 + ... + 607097.

It is an arithmetic number, because the mean of its divisors is an integer number (1214190).

Almost surely, 2^3642567 is an apocalyptic number.

3642567 is a deficient number, since it is larger than the sum of its proper divisors (1214193).

3642567 is a wasteful number, since it uses less digits than its factorization.

3642567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214192.

The product of its digits is 30240, while the sum is 33.

The square root of 3642567 is about 1908.5510210628. The cubic root of 3642567 is about 153.8635858388.

The spelling of 3642567 in words is "three million, six hundred forty-two thousand, five hundred sixty-seven".