5857949 has 4 divisors (see below), whose sum is σ = 5878236. Its totient is φ = 5837664.

The previous prime is 5857937. The next prime is 5857961. The reversal of 5857949 is 9497585.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (5857937) and next prime (5857961).

It can be written as a sum of positive squares in 2 ways, for example, as 4687225 + 1170724 = 2165^2 + 1082^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5857949 is a prime.

It is a d-powerful number, because it can be written as 5⁵ + 8³ + 5⁷ + 7⁸ + 9³ + 4⁶ + 9⁴ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5857349) 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, 9704 + ... + 10289.

It is an arithmetic number, because the mean of its divisors is an integer number (1469559).

Almost surely, 2^5857949 is an apocalyptic number.

It is an amenable number.

5857949 is a deficient number, since it is larger than the sum of its proper divisors (20287).

5857949 is a wasteful number, since it uses less digits than its factorization.

5857949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20286.

The product of its digits is 453600, while the sum is 47.

The square root of 5857949 is about 2420.3200201626. The cubic root of 5857949 is about 180.2665700502.

The spelling of 5857949 in words is "five million, eight hundred fifty-seven thousand, nine hundred forty-nine".