2991802 has 16 divisors (see below), whose sum is σ = 4924800. Its totient is φ = 1351840.

The previous prime is 2991773. The next prime is 2991803. The reversal of 2991802 is 2081992.

It is not an unprimeable number, because it can be changed into a prime (2991803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4974 + ... + 5542.

It is an arithmetic number, because the mean of its divisors is an integer number (307800).

2^2991802 is an apocalyptic number.

2991802 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2991802 is a deficient number, since it is larger than the sum of its proper divisors (1932998).

2991802 is a wasteful number, since it uses less digits than its factorization.

2991802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 2991802 is about 1729.6826298486. The cubic root of 2991802 is about 144.0934642718.

The spelling of 2991802 in words is "two million, nine hundred ninety-one thousand, eight hundred two".