85434906 has 16 divisors (see below), whose sum is σ = 179863200. Its totient is φ = 26979408.

The previous prime is 85434863. The next prime is 85434913. The reversal of 85434906 is 60943458.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374601 + ... + 374828.

It is an arithmetic number, because the mean of its divisors is an integer number (11241450).

Almost surely, 2^85434906 is an apocalyptic number.

85434906 is an abundant number, since it is smaller than the sum of its proper divisors (94428294).

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

85434906 is a wasteful number, since it uses less digits than its factorization.

85434906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749453.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 85434906 is about 9243.1004538521. The cubic root of 85434906 is about 440.4315772346.

The spelling of 85434906 in words is "eighty-five million, four hundred thirty-four thousand, nine hundred six".