6464961 has 16 divisors (see below), whose sum is σ = 9648000. Its totient is φ = 4278384.

The previous prime is 6464951. The next prime is 6464971. The reversal of 6464961 is 1694646.

6464961 is a `hidden beast` number, since 6 + 4 + 649 + 6 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (6464951) and next prime (6464971).

It is not a de Polignac number, because 6464961 - 2¹⁵ = 6432193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6464951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3220 + ... + 4826.

It is an arithmetic number, because the mean of its divisors is an integer number (603000).

Almost surely, 2^6464961 is an apocalyptic number.

It is an amenable number.

6464961 is a deficient number, since it is larger than the sum of its proper divisors (3183039).

6464961 is a wasteful number, since it uses less digits than its factorization.

6464961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1765 (or 1759 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 6464961 is about 2542.6287578017. The cubic root of 6464961 is about 186.2896112618.

It can be divided in two parts, 64 and 64961, that added together give a square (65025 = 255²).

The spelling of 6464961 in words is "six million, four hundred sixty-four thousand, nine hundred sixty-one".