85400382 has 8 divisors (see below), whose sum is σ = 170800776. Its totient is φ = 28466792.

The previous prime is 85400369. The next prime is 85400387. The reversal of 85400382 is 28300458.

It is a sphenic number, since it is the product of 3 distinct primes.

85400382 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85400387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7116693 + ... + 7116704.

It is an arithmetic number, because the mean of its divisors is an integer number (21350097).

Almost surely, 2^85400382 is an apocalyptic number.

85400382 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

85400382 is a wasteful number, since it uses less digits than its factorization.

85400382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14233402.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 85400382 is about 9241.2327099798. The cubic root of 85400382 is about 440.3722435301.

The spelling of 85400382 in words is "eighty-five million, four hundred thousand, three hundred eighty-two".