85470432 has 24 divisors (see below), whose sum is σ = 224360136. Its totient is φ = 28490112.

The previous prime is 85470377. The next prime is 85470443. The reversal of 85470432 is 23407458.

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 85470393 and 85470402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445063 + ... + 445254.

It is an arithmetic number, because the mean of its divisors is an integer number (9348339).

Almost surely, 2^85470432 is an apocalyptic number.

It is an amenable number.

85470432 is an abundant number, since it is smaller than the sum of its proper divisors (138889704).

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

85470432 is a wasteful number, since it uses less digits than its factorization.

85470432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890330 (or 890322 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 85470432 is about 9245.0220118721. The cubic root of 85470432 is about 440.4926163136.

It can be divided in two parts, 8547043 and 2, that added together give a triangular number (8547045 = T₄₁₃₄).

The spelling of 85470432 in words is "eighty-five million, four hundred seventy thousand, four hundred thirty-two".