64395954 has 48 divisors (see below), whose sum is σ = 162482112. Its totient is φ = 18049824.

The previous prime is 64395943. The next prime is 64395973. The reversal of 64395954 is 45959346.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1857 + ... + 11499.

It is an arithmetic number, because the mean of its divisors is an integer number (3385044).

Almost surely, 2^64395954 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64395954, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81241056).

64395954 is an abundant number, since it is smaller than the sum of its proper divisors (98086158).

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

64395954 is a wasteful number, since it uses less digits than its factorization.

64395954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9711 (or 9708 counting only the distinct ones).

The product of its digits is 583200, while the sum is 45.

The square root of 64395954 is about 8024.7089666853. The cubic root of 64395954 is about 400.8232088225.

The spelling of 64395954 in words is "sixty-four million, three hundred ninety-five thousand, nine hundred fifty-four".