8402768 has 20 divisors (see below), whose sum is σ = 17760768. Its totient is φ = 3819360.

The previous prime is 8402749. The next prime is 8402791. The reversal of 8402768 is 8672048.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

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, 23696 + ... + 24047.

Almost surely, 2^8402768 is an apocalyptic number.

8402768 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

8402768 is an abundant number, since it is smaller than the sum of its proper divisors (9358000).

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

8402768 is a wasteful number, since it uses less digits than its factorization.

8402768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47762 (or 47756 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 8402768 is about 2898.7528352724. The cubic root of 8402768 is about 203.3015973641.

The spelling of 8402768 in words is "eight million, four hundred two thousand, seven hundred sixty-eight".