64323426 has 16 divisors (see below), whose sum is σ = 129315744. Its totient is φ = 21329664.

The previous prime is 64323409. The next prime is 64323431. The reversal of 64323426 is 62432346.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 64323393 and 64323402.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 26616 + ... + 28931.

It is an arithmetic number, because the mean of its divisors is an integer number (8082234).

Almost surely, 2^64323426 is an apocalyptic number.

64323426 is an abundant number, since it is smaller than the sum of its proper divisors (64992318).

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

64323426 is a wasteful number, since it uses less digits than its factorization.

64323426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55745.

The product of its digits is 20736, while the sum is 30.

The square root of 64323426 is about 8020.1886511478. The cubic root of 64323426 is about 400.6726723124.

The spelling of 64323426 in words is "sixty-four million, three hundred twenty-three thousand, four hundred twenty-six".