84140336 has 40 divisors (see below), whose sum is σ = 190654464. Its totient is φ = 35219520.

The previous prime is 84140321. The next prime is 84140363. The reversal of 84140336 is 63304148.

It is a super-2 number, since 2×84140336² = 14159192284385792, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 84140299 and 84140308.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3920 + ... + 13551.

Almost surely, 2^84140336 is an apocalyptic number.

84140336 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

84140336 is an abundant number, since it is smaller than the sum of its proper divisors (106514128).

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

84140336 is a wasteful number, since it uses less digits than its factorization.

84140336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17529 (or 17523 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 84140336 is about 9172.8041514032. The cubic root of 84140336 is about 438.1956688495.

The spelling of 84140336 in words is "eighty-four million, one hundred forty thousand, three hundred thirty-six".