1969234428 has 96 divisors (see below), whose sum is σ = 5444974080. Its totient is φ = 542302080.

The previous prime is 1969234427. The next prime is 1969234429. The reversal of 1969234428 is 8244329691.

It is an interprime number because it is at equal distance from previous prime (1969234427) and next prime (1969234429).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1969234427) 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, 23725675 + ... + 23725757.

It is an arithmetic number, because the mean of its divisors is an integer number (56718480).

Almost surely, 2^1969234428 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 1969234428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2722487040).

1969234428 is an abundant number, since it is smaller than the sum of its proper divisors (3475739652).

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

1969234428 is an frugal number, since it uses more digits than its factorization.

1969234428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304 (or 136 counting only the distinct ones).

The product of its digits is 746496, while the sum is 48.

The square root of 1969234428 is about 44376.0569226244. The cubic root of 1969234428 is about 1253.4272724280.

The spelling of 1969234428 in words is "one billion, nine hundred sixty-nine million, two hundred thirty-four thousand, four hundred twenty-eight".