7140986 has 16 divisors (see below), whose sum is σ = 11430720. Its totient is φ = 3334080.

The previous prime is 7140983. The next prime is 7140997. The reversal of 7140986 is 6890417.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7140983) 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, 3971 + ... + 5481.

It is an arithmetic number, because the mean of its divisors is an integer number (714420).

Almost surely, 2^7140986 is an apocalyptic number.

7140986 is a deficient number, since it is larger than the sum of its proper divisors (4289734).

7140986 is a wasteful number, since it uses less digits than its factorization.

7140986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1669.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 7140986 is about 2672.2623374212. The cubic root of 7140986 is about 192.5688605053.

The spelling of 7140986 in words is "seven million, one hundred forty thousand, nine hundred eighty-six".