64249846 has 16 divisors (see below), whose sum is σ = 98671104. Its totient is φ = 31362984.

The previous prime is 64249841. The next prime is 64249847. The reversal of 64249846 is 64894246.

It is a super-2 number, since 2×64249846² = 8256085422047432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64249841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59911 + ... + 60973.

It is an arithmetic number, because the mean of its divisors is an integer number (6166944).

Almost surely, 2^64249846 is an apocalyptic number.

64249846 is a deficient number, since it is larger than the sum of its proper divisors (34421258).

64249846 is a wasteful number, since it uses less digits than its factorization.

64249846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1755.

The product of its digits is 331776, while the sum is 43.

The square root of 64249846 is about 8015.6001646789. The cubic root of 64249846 is about 400.5198366320.

The spelling of 64249846 in words is "sixty-four million, two hundred forty-nine thousand, eight hundred forty-six".