424721246 has 4 divisors (see below), whose sum is σ = 637081872. Its totient is φ = 212360622.

The previous prime is 424721237. The next prime is 424721249. The reversal of 424721246 is 642127424.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424721249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106180310 + ... + 106180313.

It is an arithmetic number, because the mean of its divisors is an integer number (159270468).

Almost surely, 2^424721246 is an apocalyptic number.

424721246 is a deficient number, since it is larger than the sum of its proper divisors (212360626).

424721246 is a wasteful number, since it uses less digits than its factorization.

424721246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212360625.

The product of its digits is 21504, while the sum is 32.

The square root of 424721246 is about 20608.7662415779. The cubic root of 424721246 is about 751.6828853345.

The spelling of 424721246 in words is "four hundred twenty-four million, seven hundred twenty-one thousand, two hundred forty-six".