4647646 has 4 divisors (see below), whose sum is σ = 6971472. Its totient is φ = 2323822.

The previous prime is 4647631. The next prime is 4647653. The reversal of 4647646 is 6467464.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×4647646² = 43201226682632, which contains 22 as substring.

It is a nialpdrome in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1161910 + ... + 1161913.

It is an arithmetic number, because the mean of its divisors is an integer number (1742868).

Almost surely, 2^4647646 is an apocalyptic number.

4647646 is a deficient number, since it is larger than the sum of its proper divisors (2323826).

4647646 is a wasteful number, since it uses less digits than its factorization.

4647646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2323825.

The product of its digits is 96768, while the sum is 37.

The square root of 4647646 is about 2155.8399755084. The cubic root of 4647646 is about 166.8825832704.

The spelling of 4647646 in words is "four million, six hundred forty-seven thousand, six hundred forty-six".