4781290 has 8 divisors (see below), whose sum is σ = 8606340. Its totient is φ = 1912512.

The previous prime is 4781243. The next prime is 4781323. The reversal of 4781290 is 921874.

It can be written as a sum of positive squares in 2 ways, for example, as 4704561 + 76729 = 2169^2 + 277^2 .

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

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239055 + ... + 239074.

Almost surely, 2^4781290 is an apocalyptic number.

4781290 is a deficient number, since it is larger than the sum of its proper divisors (3825050).

4781290 is a wasteful number, since it uses less digits than its factorization.

4781290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478136.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 4781290 is about 2186.6161071391. The cubic root of 4781290 is about 168.4670723168.

The spelling of 4781290 in words is "four million, seven hundred eighty-one thousand, two hundred ninety".