64245498 has 32 divisors (see below), whose sum is σ = 139924800. Its totient is φ = 19587456.

The previous prime is 64245497. The next prime is 64245521. The reversal of 64245498 is 89454246.

It is a super-3 number, since 3×64245498³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (64245497) 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, 6411 + ... + 13022.

It is an arithmetic number, because the mean of its divisors is an integer number (4372650).

Almost surely, 2^64245498 is an apocalyptic number.

64245498 is an abundant number, since it is smaller than the sum of its proper divisors (75679302).

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

64245498 is a wasteful number, since it uses less digits than its factorization.

64245498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19486.

The product of its digits is 276480, while the sum is 42.

The square root of 64245498 is about 8015.3289389769. The cubic root of 64245498 is about 400.5108015933.

The spelling of 64245498 in words is "sixty-four million, two hundred forty-five thousand, four hundred ninety-eight".