7987146 has 16 divisors (see below), whose sum is σ = 16003008. Its totient is φ = 2657600.

The previous prime is 7987139. The next prime is 7987223. The reversal of 7987146 is 6417897.

It is a super-3 number, since 3×7987146³ (a number of 22 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7987098 and 7987107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4531 + ... + 6041.

It is an arithmetic number, because the mean of its divisors is an integer number (1000188).

Almost surely, 2^7987146 is an apocalyptic number.

7987146 is the 1511-st nonagonal number.

7987146 is an abundant number, since it is smaller than the sum of its proper divisors (8015862).

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

7987146 is a wasteful number, since it uses less digits than its factorization.

7987146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2397.

The product of its digits is 84672, while the sum is 42.

The square root of 7987146 is about 2826.1539236213. The cubic root of 7987146 is about 199.8928259122.

The spelling of 7987146 in words is "seven million, nine hundred eighty-seven thousand, one hundred forty-six".