6400048 has 20 divisors (see below), whose sum is σ = 12454560. Its totient is φ = 3185984.

The previous prime is 6400033. The next prime is 6400091. The reversal of 6400048 is 8400046.

It is a super-2 number, since 2×6400048² = 81921228804608, which contains 22 as substring.

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, 3561 + ... + 5047.

It is an arithmetic number, because the mean of its divisors is an integer number (622728).

Almost surely, 2^6400048 is an apocalyptic number.

It is an amenable number.

6400048 is a deficient number, since it is larger than the sum of its proper divisors (6054512).

6400048 is a wasteful number, since it uses less digits than its factorization.

6400048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1764 (or 1758 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 6400048 is about 2529.8316149499. The cubic root of 6400048 is about 185.6640175022.

The spelling of 6400048 in words is "six million, four hundred thousand, forty-eight".