64849402 has 8 divisors (see below), whose sum is σ = 97326036. Its totient is φ = 32407392.

The previous prime is 64849363. The next prime is 64849403. The reversal of 64849402 is 20494846.

It can be written as a sum of positive squares in 2 ways, for example, as 64786401 + 63001 = 8049^2 + 251^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (64849403) 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, 3313 + ... + 11860.

Almost surely, 2^64849402 is an apocalyptic number.

64849402 is a deficient number, since it is larger than the sum of its proper divisors (32476634).

64849402 is a wasteful number, since it uses less digits than its factorization.

64849402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17312.

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 64849402 is about 8052.9126407779. The cubic root of 64849402 is about 401.7618161169.

The spelling of 64849402 in words is "sixty-four million, eight hundred forty-nine thousand, four hundred two".