617023412 has 12 divisors (see below), whose sum is σ = 1079964900. Its totient is φ = 308462016.

The previous prime is 617023397. The next prime is 617023439. The reversal of 617023412 is 214320716.

It can be written as a sum of positive squares in 2 ways, for example, as 411846436 + 205176976 = 20294^2 + 14324^2 .

It is a super-2 number, since 2×617023412² = 761435781912243488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42248 + ... + 54944.

It is an arithmetic number, because the mean of its divisors is an integer number (89997075).

Almost surely, 2^617023412 is an apocalyptic number.

It is an amenable number.

617023412 is a deficient number, since it is larger than the sum of its proper divisors (462941488).

617023412 is a wasteful number, since it uses less digits than its factorization.

617023412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24850 (or 24848 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 617023412 is about 24839.9559580930. The cubic root of 617023412 is about 851.3351161042.

The spelling of 617023412 in words is "six hundred seventeen million, twenty-three thousand, four hundred twelve".