4721286 has 8 divisors (see below), whose sum is σ = 9442584. Its totient is φ = 1573760.

The previous prime is 4721263. The next prime is 4721303. The reversal of 4721286 is 6821274.

It is a sphenic number, since it is the product of 3 distinct primes.

4721286 is an admirable number.

It is a d-powerful number, because it can be written as 4⁴ + 7⁴ + 2¹⁸ + 1 + 2²² + 8⁶ + 6² .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393435 + ... + 393446.

It is an arithmetic number, because the mean of its divisors is an integer number (1180323).

Almost surely, 2^4721286 is an apocalyptic number.

4721286 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4721286 is a wasteful number, since it uses less digits than its factorization.

4721286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786886.

The product of its digits is 5376, while the sum is 30.

The square root of 4721286 is about 2172.8520428230. The cubic root of 4721286 is about 167.7593635364.

The spelling of 4721286 in words is "four million, seven hundred twenty-one thousand, two hundred eighty-six".