64450938 has 8 divisors (see below), whose sum is σ = 128901888. Its totient is φ = 21483644.

The previous prime is 64450933. The next prime is 64450943. The reversal of 64450938 is 83905446.

It is an interprime number because it is at equal distance from previous prime (64450933) and next prime (64450943).

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

64450938 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 64450896 and 64450905.

It is not an unprimeable number, because it can be changed into a prime (64450933) 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, 5370906 + ... + 5370917.

It is an arithmetic number, because the mean of its divisors is an integer number (16112736).

Almost surely, 2^64450938 is an apocalyptic number.

64450938 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64450938 is a wasteful number, since it uses less digits than its factorization.

64450938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10741828.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 64450938 is about 8028.1341543350. The cubic root of 64450938 is about 400.9372563278.

The spelling of 64450938 in words is "sixty-four million, four hundred fifty thousand, nine hundred thirty-eight".