964894647 has 8 divisors (see below), whose sum is σ = 1295161200. Its totient is φ = 638945600.

The previous prime is 964894639. The next prime is 964894739. The reversal of 964894647 is 746498469.

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

It is a cyclic number.

It is not a de Polignac number, because 964894647 - 2³ = 964894639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (964898647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1078854 + ... + 1079747.

It is an arithmetic number, because the mean of its divisors is an integer number (161895150).

Almost surely, 2^964894647 is an apocalyptic number.

964894647 is a deficient number, since it is larger than the sum of its proper divisors (330266553).

964894647 is a wasteful number, since it uses less digits than its factorization.

964894647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2158753.

The product of its digits is 10450944, while the sum is 57.

The square root of 964894647 is about 31062.7533712000. The cubic root of 964894647 is about 988.1585491783.

The spelling of 964894647 in words is "nine hundred sixty-four million, eight hundred ninety-four thousand, six hundred forty-seven".