7861460 has 12 divisors (see below), whose sum is σ = 16509108. Its totient is φ = 3144576.

The previous prime is 7861417. The next prime is 7861489. The reversal of 7861460 is 641687.

It can be written as a sum of positive squares in 2 ways, for example, as 4519876 + 3341584 = 2126^2 + 1828^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct 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, 196517 + ... + 196556.

It is an arithmetic number, because the mean of its divisors is an integer number (1375759).

Almost surely, 2^7861460 is an apocalyptic number.

It is an amenable number.

7861460 is an abundant number, since it is smaller than the sum of its proper divisors (8647648).

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

7861460 is a wasteful number, since it uses less digits than its factorization.

7861460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393082 (or 393080 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 7861460 is about 2803.8295240617. The cubic root of 7861460 is about 198.8387707824.

The spelling of 7861460 in words is "seven million, eight hundred sixty-one thousand, four hundred sixty".