4247494 has 4 divisors (see below), whose sum is σ = 6371244. Its totient is φ = 2123746.

The previous prime is 4247471. The next prime is 4247513. The reversal of 4247494 is 4947424.

It is a semiprime because it is the product of two primes.

It is a congruent 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 as a sum of consecutive naturals, namely, 1061872 + ... + 1061875.

It is an arithmetic number, because the mean of its divisors is an integer number (1592811).

Almost surely, 2^4247494 is an apocalyptic number.

4247494 is a deficient number, since it is larger than the sum of its proper divisors (2123750).

4247494 is a wasteful number, since it uses less digits than its factorization.

4247494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2123749.

The product of its digits is 32256, while the sum is 34.

The square root of 4247494 is about 2060.9449289100. The cubic root of 4247494 is about 161.9487466781.

The spelling of 4247494 in words is "four million, two hundred forty-seven thousand, four hundred ninety-four".