4861290 has 48 divisors (see below), whose sum is σ = 13576032. Its totient is φ = 1110816.

The previous prime is 4861277. The next prime is 4861301. The reversal of 4861290 is 921684.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 184 + ... + 3123.

It is an arithmetic number, because the mean of its divisors is an integer number (282834).

Almost surely, 2^4861290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4861290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6788016).

4861290 is an abundant number, since it is smaller than the sum of its proper divisors (8714742).

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

4861290 is a wasteful number, since it uses less digits than its factorization.

4861290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3331 (or 3324 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 4861290 is about 2204.8333270340. The cubic root of 4861290 is about 169.4014707429.

It can be divided in two parts, 4861 and 290, that added together give a triangular number (5151 = T₁₀₁).

The spelling of 4861290 in words is "four million, eight hundred sixty-one thousand, two hundred ninety".