2970857 has 2 divisors, whose sum is σ = 2970858. Its totient is φ = 2970856.

The previous prime is 2970833. The next prime is 2970893. The reversal of 2970857 is 7580792.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2920681 + 50176 = 1709^2 + 224^2 .

It is a cyclic number.

It is not a de Polignac number, because 2970857 - 2⁸ = 2970601 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2970857.

It is not a weakly prime, because it can be changed into another prime (2970157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1485428 + 1485429.

It is an arithmetic number, because the mean of its divisors is an integer number (1485429).

2^2970857 is an apocalyptic number.

It is an amenable number.

2970857 is a deficient number, since it is larger than the sum of its proper divisors (1).

2970857 is an equidigital number, since it uses as much as digits as its factorization.

2970857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 2970857 is about 1723.6174169461. The cubic root of 2970857 is about 143.7564201291.

The spelling of 2970857 in words is "two million, nine hundred seventy thousand, eight hundred fifty-seven".