84208380 has 48 divisors (see below), whose sum is σ = 248196480. Its totient is φ = 21273408.

The previous prime is 84208379. The next prime is 84208381. The reversal of 84208380 is 8380248.

It is an interprime number because it is at equal distance from previous prime (84208379) and next prime (84208381).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84208381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35794 + ... + 38073.

It is an arithmetic number, because the mean of its divisors is an integer number (5170760).

Almost surely, 2^84208380 is an apocalyptic number.

It is an amenable number.

84208380 is an abundant number, since it is smaller than the sum of its proper divisors (163988100).

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

84208380 is a wasteful number, since it uses less digits than its factorization.

84208380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73898 (or 73896 counting only the distinct ones).

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

The square root of 84208380 is about 9176.5124094070. The cubic root of 84208380 is about 438.3137594649.

The spelling of 84208380 in words is "eighty-four million, two hundred eight thousand, three hundred eighty".