5709858 has 64 divisors (see below), whose sum is σ = 15095808. Its totient is φ = 1393920.

The previous prime is 5709857. The next prime is 5709863. The reversal of 5709858 is 8589075.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (5709857) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7491 + ... + 8217.

It is an arithmetic number, because the mean of its divisors is an integer number (235872).

Almost surely, 2^5709858 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5709858, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7547904).

5709858 is an abundant number, since it is smaller than the sum of its proper divisors (9385950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5709858 is a wasteful number, since it uses less digits than its factorization.

5709858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767.

The product of its (nonzero) digits is 100800, while the sum is 42.

The square root of 5709858 is about 2389.5309163097. The cubic root of 5709858 is about 178.7345190107.

The spelling of 5709858 in words is "five million, seven hundred nine thousand, eight hundred fifty-eight".