4247392 has 24 divisors (see below), whose sum is σ = 8408232. Its totient is φ = 2112000.

The previous prime is 4247389. The next prime is 4247407. The reversal of 4247392 is 2937424.

It is an Ulam number.

It is a congruent number.

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, 10392 + ... + 10792.

It is an arithmetic number, because the mean of its divisors is an integer number (350343).

Almost surely, 2^4247392 is an apocalyptic number.

It is an amenable number.

4247392 is a deficient number, since it is larger than the sum of its proper divisors (4160840).

4247392 is a wasteful number, since it uses less digits than its factorization.

4247392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742 (or 734 counting only the distinct ones).

The product of its digits is 12096, while the sum is 31.

The square root of 4247392 is about 2060.9201828310. The cubic root of 4247392 is about 161.9474503134.

The spelling of 4247392 in words is "four million, two hundred forty-seven thousand, three hundred ninety-two".