4890858 has 64 divisors (see below), whose sum is σ = 11999232. Its totient is φ = 1298880.

The previous prime is 4890857. The next prime is 4890859. The reversal of 4890858 is 8580984.

It is an interprime number because it is at equal distance from previous prime (4890857) and next prime (4890859).

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4890857) 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, 58885 + ... + 58967.

It is an arithmetic number, because the mean of its divisors is an integer number (187488).

Almost surely, 2^4890858 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4890858, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5999616).

4890858 is an abundant number, since it is smaller than the sum of its proper divisors (7108374).

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

4890858 is a wasteful number, since it uses less digits than its factorization.

4890858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179.

The product of its (nonzero) digits is 92160, while the sum is 42.

The square root of 4890858 is about 2211.5284307465. The cubic root of 4890858 is about 169.7442289866.

The spelling of 4890858 in words is "four million, eight hundred ninety thousand, eight hundred fifty-eight".