6464232 has 32 divisors (see below), whose sum is σ = 17956800. Its totient is φ = 2154672.

The previous prime is 6464221. The next prime is 6464261. The reversal of 6464232 is 2324646.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 6464196 and 6464205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14748 + ... + 15179.

It is an arithmetic number, because the mean of its divisors is an integer number (561150).

Almost surely, 2^6464232 is an apocalyptic number.

It is an amenable number.

6464232 is an abundant number, since it is smaller than the sum of its proper divisors (11492568).

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

6464232 is a wasteful number, since it uses less digits than its factorization.

6464232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29942 (or 29932 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 6464232 is about 2542.4853981882. The cubic root of 6464232 is about 186.2826088874.

Adding to 6464232 its reverse (2324646), we get a palindrome (8788878).

The spelling of 6464232 in words is "six million, four hundred sixty-four thousand, two hundred thirty-two".