30585090 has 16 divisors (see below), whose sum is σ = 73404288. Its totient is φ = 8156016.

The previous prime is 30585089. The next prime is 30585097. The reversal of 30585090 is 9058503.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1019503 = 30585090 / (3 + 0 + 5 + 8 + 5 + 0 + 9 + 0).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (30585097) 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, 509722 + ... + 509781.

It is an arithmetic number, because the mean of its divisors is an integer number (4587768).

Almost surely, 2^30585090 is an apocalyptic number.

30585090 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30585090 is an abundant number, since it is smaller than the sum of its proper divisors (42819198).

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

30585090 is a wasteful number, since it uses less digits than its factorization.

30585090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019513.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 30585090 is about 5530.3788297005. The cubic root of 30585090 is about 312.7302708128.

The spelling of 30585090 in words is "thirty million, five hundred eighty-five thousand, ninety".