2792157 has 4 divisors (see below), whose sum is σ = 3722880. Its totient is φ = 1861436.

The previous prime is 2792147. The next prime is 2792159. The reversal of 2792157 is 7512972.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2792157 - 2¹⁸ = 2530013 is a prime.

It is a super-2 number, since 2×2792157² = 15592281425298, which contains 22 as substring.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2792159) 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 3 ways as a sum of consecutive naturals, for example, 465357 + ... + 465362.

It is an arithmetic number, because the mean of its divisors is an integer number (930720).

2^2792157 is an apocalyptic number.

It is an amenable number.

2792157 is a deficient number, since it is larger than the sum of its proper divisors (930723).

2792157 is an equidigital number, since it uses as much as digits as its factorization.

2792157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930722.

The product of its digits is 8820, while the sum is 33.

The square root of 2792157 is about 1670.9748651611. The cubic root of 2792157 is about 140.8142516620.

The spelling of 2792157 in words is "two million, seven hundred ninety-two thousand, one hundred fifty-seven".