64590349 has 4 divisors (see below), whose sum is σ = 64606464. Its totient is φ = 64574236.

The previous prime is 64590341. The next prime is 64590359. The reversal of 64590349 is 94309546.

64590349 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 64590349 - 2³ = 64590341 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 (64590341) 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, 3174 + ... + 11800.

It is an arithmetic number, because the mean of its divisors is an integer number (16151616).

Almost surely, 2^64590349 is an apocalyptic number.

It is an amenable number.

64590349 is a deficient number, since it is larger than the sum of its proper divisors (16115).

64590349 is an equidigital number, since it uses as much as digits as its factorization.

64590349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16114.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 64590349 is about 8036.8121167538. The cubic root of 64590349 is about 401.2261314140.

The spelling of 64590349 in words is "sixty-four million, five hundred ninety thousand, three hundred forty-nine".