85382388 has 144 divisors (see below), whose sum is σ = 270291840. Its totient is φ = 22125312.

The previous prime is 85382383. The next prime is 85382411. The reversal of 85382388 is 88328358.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85382383) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 219298 + ... + 219686.

Almost surely, 2^85382388 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85382388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135145920).

85382388 is an abundant number, since it is smaller than the sum of its proper divisors (184909452).

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

85382388 is a wasteful number, since it uses less digits than its factorization.

85382388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486 (or 481 counting only the distinct ones).

The product of its digits is 368640, while the sum is 45.

The square root of 85382388 is about 9240.2590872767. The cubic root of 85382388 is about 440.3413123072.

The spelling of 85382388 in words is "eighty-five million, three hundred eighty-two thousand, three hundred eighty-eight".