1828697634 has 40 divisors (see below), whose sum is σ = 4109572368. Its totient is φ = 607790520.

The previous prime is 1828697569. The next prime is 1828697653. The reversal of 1828697634 is 4367968281.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 39949 + ... + 72479.

Almost surely, 2^1828697634 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1828697634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2054786184).

1828697634 is an abundant number, since it is smaller than the sum of its proper divisors (2280874734).

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

1828697634 is a wasteful number, since it uses less digits than its factorization.

1828697634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32892 (or 32883 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The square root of 1828697634 is about 42763.2743601329. The cubic root of 1828697634 is about 1222.8709672486.

The spelling of 1828697634 in words is "one billion, eight hundred twenty-eight million, six hundred ninety-seven thousand, six hundred thirty-four".