2948857 has 4 divisors (see below), whose sum is σ = 3104080. Its totient is φ = 2793636.

The previous prime is 2948851. The next prime is 2948861. The reversal of 2948857 is 7588492.

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 2948857 - 2¹¹ = 2946809 is a prime.

It is a Duffinian number.

2948857 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2948851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77583 + ... + 77620.

It is an arithmetic number, because the mean of its divisors is an integer number (776020).

2^2948857 is an apocalyptic number.

It is an amenable number.

2948857 is a deficient number, since it is larger than the sum of its proper divisors (155223).

2948857 is a wasteful number, since it uses less digits than its factorization.

2948857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155222.

The product of its digits is 161280, while the sum is 43.

The square root of 2948857 is about 1717.2236313305. The cubic root of 2948857 is about 143.4006888528.

The spelling of 2948857 in words is "two million, nine hundred forty-eight thousand, eight hundred fifty-seven".