616926243 has 32 divisors (see below), whose sum is σ = 889643520. Its totient is φ = 378846720.

The previous prime is 616926241. The next prime is 616926259. The reversal of 616926243 is 342629616.

It is a Cunningham number, because it is equal to 24838²-1.

It is not a de Polignac number, because 616926243 - 2¹ = 616926241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (616926241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1266546 + ... + 1267032.

It is an arithmetic number, because the mean of its divisors is an integer number (27801360).

Almost surely, 2^616926243 is an apocalyptic number.

616926243 is a deficient number, since it is larger than the sum of its proper divisors (272717277).

616926243 is a wasteful number, since it uses less digits than its factorization.

616926243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987.

The product of its digits is 93312, while the sum is 39.

The square root of 616926243 is about 24837.9999798696. Note that the first 4 decimals coincide. The cubic root of 616926243 is about 851.2904242696.

The spelling of 616926243 in words is "six hundred sixteen million, nine hundred twenty-six thousand, two hundred forty-three".