64089434 has 8 divisors (see below), whose sum is σ = 97214580. Its totient is φ = 31684576.

The previous prime is 64089427. The next prime is 64089457. The reversal of 64089434 is 43498046.

It can be written as a sum of positive squares in 2 ways, for example, as 64080025 + 9409 = 8005^2 + 97^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179849 + ... + 180204.

Almost surely, 2^64089434 is an apocalyptic number.

64089434 is a deficient number, since it is larger than the sum of its proper divisors (33125146).

64089434 is a wasteful number, since it uses less digits than its factorization.

64089434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360144.

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 64089434 is about 8005.5876736190. The cubic root of 64089434 is about 400.1862341120.

The spelling of 64089434 in words is "sixty-four million, eighty-nine thousand, four hundred thirty-four".