1617383748 has 48 divisors (see below), whose sum is σ = 3828142080. Its totient is φ = 531402144.

The previous prime is 1617383743. The next prime is 1617383749. The reversal of 1617383748 is 8473837161.

It is a junction number, because it is equal to n+sod(n) for n = 1617383697 and 1617383706.

It is not an unprimeable number, because it can be changed into a prime (1617383741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 782965 + ... + 785027.

It is an arithmetic number, because the mean of its divisors is an integer number (79752960).

Almost surely, 2^1617383748 is an apocalyptic number.

It is an amenable number.

1617383748 is an abundant number, since it is smaller than the sum of its proper divisors (2210758332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1617383748 is a wasteful number, since it uses less digits than its factorization.

1617383748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2976 (or 2974 counting only the distinct ones).

The product of its digits is 677376, while the sum is 48.

The square root of 1617383748 is about 40216.7098107242. The cubic root of 1617383748 is about 1173.8277121712.

The spelling of 1617383748 in words is "one billion, six hundred seventeen million, three hundred eighty-three thousand, seven hundred forty-eight".