2992805 has 8 divisors (see below), whose sum is σ = 3623832. Its totient is φ = 2372608.

The previous prime is 2992793. The next prime is 2992817. The reversal of 2992805 is 5082992.

It is an interprime number because it is at equal distance from previous prime (2992793) and next prime (2992817).

It can be written as a sum of positive squares in 4 ways, for example, as 82369 + 2910436 = 287^2 + 1706^2 .

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 2992805 - 2⁴ = 2992789 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2084 + ... + 3213.

It is an arithmetic number, because the mean of its divisors is an integer number (452979).

2^2992805 is an apocalyptic number.

It is an amenable number.

2992805 is a deficient number, since it is larger than the sum of its proper divisors (631027).

2992805 is a wasteful number, since it uses less digits than its factorization.

2992805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5415.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 2992805 is about 1729.9725431347. The cubic root of 2992805 is about 144.1095648913.

The spelling of 2992805 in words is "two million, nine hundred ninety-two thousand, eight hundred five".