64380246 has 32 divisors (see below), whose sum is σ = 154901760. Its totient is φ = 17426016.

The previous prime is 64380229. The next prime is 64380247. The reversal of 64380246 is 64208346.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64380247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39541 + ... + 41136.

It is an arithmetic number, because the mean of its divisors is an integer number (4840680).

Almost surely, 2^64380246 is an apocalyptic number.

64380246 is an abundant number, since it is smaller than the sum of its proper divisors (90521514).

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

64380246 is a wasteful number, since it uses less digits than its factorization.

64380246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80708.

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 64380246 is about 8023.7301799101. The cubic root of 64380246 is about 400.7906154551.

The spelling of 64380246 in words is "sixty-four million, three hundred eighty thousand, two hundred forty-six".