7891416 has 48 divisors (see below), whose sum is σ = 23019360. Its totient is φ = 2427840.

The previous prime is 7891381. The next prime is 7891421. The reversal of 7891416 is 6141987.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3280 + ... + 5151.

It is an arithmetic number, because the mean of its divisors is an integer number (479570).

Almost surely, 2^7891416 is an apocalyptic number.

It is an amenable number.

7891416 is an abundant number, since it is smaller than the sum of its proper divisors (15127944).

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

7891416 is a wasteful number, since it uses less digits than its factorization.

7891416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8456 (or 8449 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 7891416 is about 2809.1664244042. The cubic root of 7891416 is about 199.0910082623.

The spelling of 7891416 in words is "seven million, eight hundred ninety-one thousand, four hundred sixteen".