689363100 has 216 divisors, whose sum is σ = 2264021760. Its totient is φ = 175271040.

The previous prime is 689363047. The next prime is 689363119. The reversal of 689363100 is 1363986.

It is a happy number.

It is a super-2 number, since 2×689363100² = 950442967283220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1818711 + ... + 1819089.

Almost surely, 2^689363100 is an apocalyptic number.

689363100 is a gapful number since it is divisible by the number (60) 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 689363100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1132010880).

689363100 is an abundant number, since it is smaller than the sum of its proper divisors (1574658660).

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

689363100 is a wasteful number, since it uses less digits than its factorization.

689363100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489 (or 479 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 689363100 is about 26255.7250899685. The cubic root of 689363100 is about 883.3836243666.

The spelling of 689363100 in words is "six hundred eighty-nine million, three hundred sixty-three thousand, one hundred".