802135684 has 75 divisors (see below), whose sum is σ = 1739944787. Its totient is φ = 323550528.

The previous prime is 802135681. The next prime is 802135723. The reversal of 802135684 is 486531208.

It is a happy number.

The square root of 802135684 is 28322.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 248945284 + 553190400 = 15778^2 + 23520^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=4, B=119.

It is a super-2 number, since 2×802135684² = 1286843311092295712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (802135681) by changing a digit.

It is a polite number, since it can be written in 24 ways as a sum of consecutive naturals, for example, 47184444 + ... + 47184460.

Almost surely, 2^802135684 is an apocalyptic number.

802135684 is the 28322-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 802135684

802135684 is an abundant number, since it is smaller than the sum of its proper divisors (937809103).

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

802135684 is an frugal number, since it uses more digits than its factorization.

802135684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100 (or 26 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The cubic root of 802135684 is about 929.1431132918.

The spelling of 802135684 in words is "eight hundred two million, one hundred thirty-five thousand, six hundred eighty-four".