1609228348 has 72 divisors (see below), whose sum is σ = 3519543776. Its totient is φ = 626935680.

The previous prime is 1609228337. The next prime is 1609228349. The reversal of 1609228348 is 8438229061.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1609228349) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1834486 + ... + 1835362.

Almost surely, 2^1609228348 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 1609228348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1759771888).

1609228348 is an abundant number, since it is smaller than the sum of its proper divisors (1910315428).

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

1609228348 is a wasteful number, since it uses less digits than its factorization.

1609228348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043 (or 970 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 1609228348 is about 40115.1884951324. The cubic root of 1609228348 is about 1171.8514403209.

The spelling of 1609228348 in words is "one billion, six hundred nine million, two hundred twenty-eight thousand, three hundred forty-eight".