85438310 has 8 divisors (see below), whose sum is σ = 153788976. Its totient is φ = 34175320.

The previous prime is 85438303. The next prime is 85438319. The reversal of 85438310 is 1383458.

It is a happy number.

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

It is a super-2 number, since 2×85438310² = 14599409631312200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85438319) 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, 4271906 + ... + 4271925.

It is an arithmetic number, because the mean of its divisors is an integer number (19223622).

Almost surely, 2^85438310 is an apocalyptic number.

85438310 is a deficient number, since it is larger than the sum of its proper divisors (68350666).

85438310 is a wasteful number, since it uses less digits than its factorization.

85438310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8543838.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 85438310 is about 9243.2845893654. The cubic root of 85438310 is about 440.4374265580.

The spelling of 85438310 in words is "eighty-five million, four hundred thirty-eight thousand, three hundred ten".