898934436 has 120 divisors (see below), whose sum is σ = 2430171744. Its totient is φ = 289578240.

The previous prime is 898934423. The next prime is 898934459. The reversal of 898934436 is 634439898.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1574031 + ... + 1574601.

Almost surely, 2^898934436 is an apocalyptic number.

898934436 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 898934436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1215085872).

898934436 is an abundant number, since it is smaller than the sum of its proper divisors (1531237308).

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

898934436 is a wasteful number, since it uses less digits than its factorization.

898934436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743 (or 732 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 54.

The square root of 898934436 is about 29982.2353402811. The cubic root of 898934436 is about 965.1082005265.

The spelling of 898934436 in words is "eight hundred ninety-eight million, nine hundred thirty-four thousand, four hundred thirty-six".