30895460 has 48 divisors (see below), whose sum is σ = 69536880. Its totient is φ = 11489280.

The previous prime is 30895439. The next prime is 30895471. The reversal of 30895460 is 6459803.

It can be written as a sum of positive squares in 8 ways, for example, as 70756 + 30824704 = 266^2 + 5552^2 .

It is a super-2 number, since 2×30895460² = 1909058897223200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30895460.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29750 + ... + 30770.

It is an arithmetic number, because the mean of its divisors is an integer number (1448685).

Almost surely, 2^30895460 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30895460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34768440).

30895460 is an abundant number, since it is smaller than the sum of its proper divisors (38641420).

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

30895460 is a wasteful number, since it uses less digits than its factorization.

30895460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136 (or 1134 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 30895460 is about 5558.3684656561. The cubic root of 30895460 is about 313.7845493506.

The spelling of 30895460 in words is "thirty million, eight hundred ninety-five thousand, four hundred sixty".