64489435 has 16 divisors (see below), whose sum is σ = 78732000. Its totient is φ = 50703616.

The previous prime is 64489429. The next prime is 64489463. The reversal of 64489435 is 53498446.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 64489435 - 2³ = 64489427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64489391 and 64489400.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79311 + ... + 80119.

It is an arithmetic number, because the mean of its divisors is an integer number (4920750).

Almost surely, 2^64489435 is an apocalyptic number.

64489435 is a deficient number, since it is larger than the sum of its proper divisors (14242565).

64489435 is a wasteful number, since it uses less digits than its factorization.

64489435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070.

The product of its digits is 414720, while the sum is 43.

The square root of 64489435 is about 8030.5314269978. The cubic root of 64489435 is about 401.0170679899.

The spelling of 64489435 in words is "sixty-four million, four hundred eighty-nine thousand, four hundred thirty-five".