1613239628 has 192 divisors, whose sum is σ = 4020903936. Its totient is φ = 546048000.

The previous prime is 1613239613. The next prime is 1613239687. The reversal of 1613239628 is 8269323161.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5088926 + ... + 5089242.

It is an arithmetic number, because the mean of its divisors is an integer number (20942208).

Almost surely, 2^1613239628 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1613239628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2010451968).

1613239628 is an abundant number, since it is smaller than the sum of its proper divisors (2407664308).

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

1613239628 is a wasteful number, since it uses less digits than its factorization.

1613239628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424 (or 422 counting only the distinct ones).

The product of its digits is 93312, while the sum is 41.

The square root of 1613239628 is about 40165.1544003008. The cubic root of 1613239628 is about 1172.8243132188.

The spelling of 1613239628 in words is "one billion, six hundred thirteen million, two hundred thirty-nine thousand, six hundred twenty-eight".