7861412 has 24 divisors (see below), whose sum is σ = 15689016. Its totient is φ = 3414528.

The previous prime is 7861411. The next prime is 7861417. The reversal of 7861412 is 2141687.

It can be written as a sum of positive squares in 4 ways, for example, as 155236 + 7706176 = 394^2 + 2776^2 .

It is not an unprimeable number, because it can be changed into a prime (7861411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3563 + ... + 5330.

It is an arithmetic number, because the mean of its divisors is an integer number (653709).

Almost surely, 2^7861412 is an apocalyptic number.

It is an amenable number.

7861412 is a deficient number, since it is larger than the sum of its proper divisors (7827604).

7861412 is a wasteful number, since it uses less digits than its factorization.

7861412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8927 (or 8925 counting only the distinct ones).

The product of its digits is 2688, while the sum is 29.

The square root of 7861412 is about 2803.8209643271. The cubic root of 7861412 is about 198.8383660959.

The spelling of 7861412 in words is "seven million, eight hundred sixty-one thousand, four hundred twelve".