64249214 has 8 divisors (see below), whose sum is σ = 98724528. Its totient is φ = 31341040.

The previous prime is 64249183. The next prime is 64249219. The reversal of 64249214 is 41294246.

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

It is a super-2 number, since 2×64249214² = 8255922999235592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64249219) 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, 391682 + ... + 391845.

It is an arithmetic number, because the mean of its divisors is an integer number (12340566).

Almost surely, 2^64249214 is an apocalyptic number.

64249214 is a deficient number, since it is larger than the sum of its proper divisors (34475314).

64249214 is a wasteful number, since it uses less digits than its factorization.

64249214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783570.

The product of its digits is 13824, while the sum is 32.

The square root of 64249214 is about 8015.5607414578. The cubic root of 64249214 is about 400.5185233767.

The spelling of 64249214 in words is "sixty-four million, two hundred forty-nine thousand, two hundred fourteen".