7949887 has 8 divisors (see below), whose sum is σ = 8704080. Its totient is φ = 7200960.

The previous prime is 7949873. The next prime is 7949891. The reversal of 7949887 is 7889497.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7949887 - 2⁷ = 7949759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7949287) 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, 2289 + ... + 4597.

It is an arithmetic number, because the mean of its divisors is an integer number (1088010).

Almost surely, 2^7949887 is an apocalyptic number.

7949887 is a deficient number, since it is larger than the sum of its proper divisors (754193).

7949887 is a wasteful number, since it uses less digits than its factorization.

7949887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2633.

The product of its digits is 1016064, while the sum is 52.

The square root of 7949887 is about 2819.5543974181. The cubic root of 7949887 is about 199.5815166358.

It can be divided in two parts, 7949 and 887, that added together give a square (8836 = 94²).

The spelling of 7949887 in words is "seven million, nine hundred forty-nine thousand, eight hundred eighty-seven".