4247290 has 8 divisors (see below), whose sum is σ = 7645140. Its totient is φ = 1698912.

The previous prime is 4247281. The next prime is 4247333. The reversal of 4247290 is 927424.

It can be written as a sum of positive squares in 2 ways, for example, as 4173849 + 73441 = 2043^2 + 271^2 .

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

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, 212355 + ... + 212374.

Almost surely, 2^4247290 is an apocalyptic number.

4247290 is a deficient number, since it is larger than the sum of its proper divisors (3397850).

4247290 is a wasteful number, since it uses less digits than its factorization.

4247290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424736.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 4247290 is about 2060.8954364547. The cubic root of 4247290 is about 161.9461539279.

The spelling of 4247290 in words is "four million, two hundred forty-seven thousand, two hundred ninety".