3646087 has 4 divisors (see below), whose sum is σ = 3692320. Its totient is φ = 3599856.

The previous prime is 3646079. The next prime is 3646103. The reversal of 3646087 is 7806463.

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 3646087 - 2³ = 3646079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3646037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22998 + ... + 23155.

It is an arithmetic number, because the mean of its divisors is an integer number (923080).

Almost surely, 2^3646087 is an apocalyptic number.

3646087 is a deficient number, since it is larger than the sum of its proper divisors (46233).

3646087 is an equidigital number, since it uses as much as digits as its factorization.

3646087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46232.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 3646087 is about 1909.4729639353. The cubic root of 3646087 is about 153.9131319837.

The spelling of 3646087 in words is "three million, six hundred forty-six thousand, eighty-seven".