616591246 has 4 divisors (see below), whose sum is σ = 924886872. Its totient is φ = 308295622.

The previous prime is 616591231. The next prime is 616591253. The reversal of 616591246 is 642195616.

It is a happy number.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 616591199 and 616591208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 154147810 + ... + 154147813.

It is an arithmetic number, because the mean of its divisors is an integer number (231221718).

Almost surely, 2^616591246 is an apocalyptic number.

616591246 is a deficient number, since it is larger than the sum of its proper divisors (308295626).

616591246 is a wasteful number, since it uses less digits than its factorization.

616591246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308295625.

The product of its digits is 77760, while the sum is 40.

The square root of 616591246 is about 24831.2554253707. The cubic root of 616591246 is about 851.1363100215.

The spelling of 616591246 in words is "six hundred sixteen million, five hundred ninety-one thousand, two hundred forty-six".