85427384 has 48 divisors (see below), whose sum is σ = 187142400. Its totient is φ = 36451968.

The previous prime is 85427371. The next prime is 85427387. The reversal of 85427384 is 48372458.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85427387) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149852 + ... + 150420.

It is an arithmetic number, because the mean of its divisors is an integer number (3898800).

Almost surely, 2^85427384 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 85427384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93571200).

85427384 is an abundant number, since it is smaller than the sum of its proper divisors (101715016).

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

85427384 is a wasteful number, since it uses less digits than its factorization.

85427384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972 (or 961 counting only the distinct ones).

The product of its digits is 215040, while the sum is 41.

The square root of 85427384 is about 9242.6935467968. The cubic root of 85427384 is about 440.4186511223.

The spelling of 85427384 in words is "eighty-five million, four hundred twenty-seven thousand, three hundred eighty-four".