3652091 has 4 divisors (see below), whose sum is σ = 3698400. Its totient is φ = 3605784.

The previous prime is 3652081. The next prime is 3652097. The reversal of 3652091 is 1902563.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3652091 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3652091.

It is not an unprimeable number, because it can be changed into a prime (3652097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23036 + ... + 23193.

It is an arithmetic number, because the mean of its divisors is an integer number (924600).

Almost surely, 2^3652091 is an apocalyptic number.

3652091 is a deficient number, since it is larger than the sum of its proper divisors (46309).

3652091 is an equidigital number, since it uses as much as digits as its factorization.

3652091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46308.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 3652091 is about 1911.0444788126. The cubic root of 3652091 is about 153.9975684105.

The spelling of 3652091 in words is "three million, six hundred fifty-two thousand, ninety-one".