616243804 has 18 divisors (see below), whose sum is σ = 1185378992. Its totient is φ = 280110600.

The previous prime is 616243801. The next prime is 616243811. The reversal of 616243804 is 408342616.

It is a self number, because there is not a number n which added to its sum of digits gives 616243804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616243801) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 636132 + ... + 637099.

Almost surely, 2^616243804 is an apocalyptic number.

It is an amenable number.

616243804 is a deficient number, since it is larger than the sum of its proper divisors (569135188).

616243804 is a wasteful number, since it uses less digits than its factorization.

616243804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273257 (or 1273244 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 616243804 is about 24824.2583776434. The cubic root of 616243804 is about 850.9764115117.

The spelling of 616243804 in words is "six hundred sixteen million, two hundred forty-three thousand, eight hundred four".