3736591 has 2 divisors, whose sum is σ = 3736592. Its totient is φ = 3736590.

The previous prime is 3736589. The next prime is 3736609. The reversal of 3736591 is 1956373.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3736591 - 2¹ = 3736589 is a prime.

It is a super-2 number, since 2×3736591² = 27924224602562, which contains 22 as substring.

Together with 3736589, it forms a pair of twin primes.

It is equal to p₂₆₅₈₄₉ and since 3736591 and 265849 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3736501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1868295 + 1868296.

It is an arithmetic number, because the mean of its divisors is an integer number (1868296).

Almost surely, 2^3736591 is an apocalyptic number.

3736591 is a deficient number, since it is larger than the sum of its proper divisors (1).

3736591 is an equidigital number, since it uses as much as digits as its factorization.

3736591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17010, while the sum is 34.

The square root of 3736591 is about 1933.0263836792. The cubic root of 3736591 is about 155.1762268959.

The spelling of 3736591 in words is "three million, seven hundred thirty-six thousand, five hundred ninety-one".