7830464 has 28 divisors (see below), whose sum is σ = 16078200. Its totient is φ = 3779328.

The previous prime is 7830457. The next prime is 7830481. The reversal of 7830464 is 4640387.

It is a happy number.

It is a super-2 number, since 2×7830464² = 122632332910592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 7830464.

It is a congruent number.

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, 254 + ... + 3965.

Almost surely, 2^7830464 is an apocalyptic number.

It is an amenable number.

7830464 is an abundant number, since it is smaller than the sum of its proper divisors (8247736).

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

7830464 is a wasteful number, since it uses less digits than its factorization.

7830464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4260 (or 4250 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 7830464 is about 2798.2966247344. The cubic root of 7830464 is about 198.5771007965.

The spelling of 7830464 in words is "seven million, eight hundred thirty thousand, four hundred sixty-four".