621713246 has 48 divisors (see below), whose sum is σ = 1209384960. Its totient is φ = 234392400.

The previous prime is 621713237. The next prime is 621713251. The reversal of 621713246 is 642317126.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46595 + ... + 58433.

It is an arithmetic number, because the mean of its divisors is an integer number (25195520).

Almost surely, 2^621713246 is an apocalyptic number.

621713246 is a deficient number, since it is larger than the sum of its proper divisors (587671714).

621713246 is a wasteful number, since it uses less digits than its factorization.

621713246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11901 (or 11890 counting only the distinct ones).

The product of its digits is 12096, while the sum is 32.

The square root of 621713246 is about 24934.1782699972. The cubic root of 621713246 is about 853.4865997015.

The spelling of 621713246 in words is "six hundred twenty-one million, seven hundred thirteen thousand, two hundred forty-six".