2991862 has 8 divisors (see below), whose sum is σ = 4514256. Its totient is φ = 1487112.

The previous prime is 2991853. The next prime is 2991871. The reversal of 2991862 is 2681992.

It is an interprime number because it is at equal distance from previous prime (2991853) and next prime (2991871).

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

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, 3978 + ... + 4669.

It is an arithmetic number, because the mean of its divisors is an integer number (564282).

2^2991862 is an apocalyptic number.

2991862 is a deficient number, since it is larger than the sum of its proper divisors (1522394).

2991862 is a wasteful number, since it uses less digits than its factorization.

2991862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8822.

The product of its digits is 15552, while the sum is 37.

The square root of 2991862 is about 1729.6999739839. The cubic root of 2991862 is about 144.0944275207.

The spelling of 2991862 in words is "two million, nine hundred ninety-one thousand, eight hundred sixty-two".