2870157 has 8 divisors (see below), whose sum is σ = 3847680. Its totient is φ = 1903040.

The previous prime is 2870113. The next prime is 2870171. The reversal of 2870157 is 7510782.

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 2870157 - 2⁸ = 2869901 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2870107) 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, 1932 + ... + 3077.

It is an arithmetic number, because the mean of its divisors is an integer number (480960).

2^2870157 is an apocalyptic number.

It is an amenable number.

2870157 is a deficient number, since it is larger than the sum of its proper divisors (977523).

2870157 is a wasteful number, since it uses less digits than its factorization.

2870157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5203.

The product of its (nonzero) digits is 3920, while the sum is 30.

The square root of 2870157 is about 1694.1537710609. The cubic root of 2870157 is about 142.1134615225.

The spelling of 2870157 in words is "two million, eight hundred seventy thousand, one hundred fifty-seven".