90285034 has 16 divisors (see below), whose sum is σ = 158550336. Its totient is φ = 37749600.

The previous prime is 90285029. The next prime is 90285037. The reversal of 90285034 is 43058209.

It is a junction number, because it is equal to n+sod(n) for n = 90284987 and 90285005.

It is not an unprimeable number, because it can be changed into a prime (90285037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78072 + ... + 79219.

It is an arithmetic number, because the mean of its divisors is an integer number (9909396).

Almost surely, 2^90285034 is an apocalyptic number.

90285034 is a deficient number, since it is larger than the sum of its proper divisors (68265302).

90285034 is a wasteful number, since it uses less digits than its factorization.

90285034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157341.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 90285034 is about 9501.8437158269. The cubic root of 90285034 is about 448.6130696967.

The spelling of 90285034 in words is "ninety million, two hundred eighty-five thousand, thirty-four".