84140268 has 24 divisors (see below), whose sum is σ = 196636272. Its totient is φ = 28002624.

The previous prime is 84140267. The next prime is 84140269. The reversal of 84140268 is 86204148.

It is an interprime number because it is at equal distance from previous prime (84140267) and next prime (84140269).

It is a super-2 number, since 2×84140268² = 14159169398223648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84140263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2946 + ... + 13302.

It is an arithmetic number, because the mean of its divisors is an integer number (8193178).

Almost surely, 2^84140268 is an apocalyptic number.

It is an amenable number.

84140268 is an abundant number, since it is smaller than the sum of its proper divisors (112496004).

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

84140268 is a wasteful number, since it uses less digits than its factorization.

84140268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11041 (or 11039 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 84140268 is about 9172.8004447933. The cubic root of 84140268 is about 438.1955508034.

The spelling of 84140268 in words is "eighty-four million, one hundred forty thousand, two hundred sixty-eight".