30028495 has 8 divisors (see below), whose sum is σ = 41181984. Its totient is φ = 20590944.

The previous prime is 30028489. The next prime is 30028499. The reversal of 30028495 is 59482003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30028495 - 2¹⁵ = 29995727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30028499) 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, 428944 + ... + 429013.

It is an arithmetic number, because the mean of its divisors is an integer number (5147748).

Almost surely, 2^30028495 is an apocalyptic number.

30028495 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

30028495 is a deficient number, since it is larger than the sum of its proper divisors (11153489).

30028495 is an equidigital number, since it uses as much as digits as its factorization.

30028495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857969.

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

The square root of 30028495 is about 5479.8261833748. The cubic root of 30028495 is about 310.8215978977.

The spelling of 30028495 in words is "thirty million, twenty-eight thousand, four hundred ninety-five".