28950270 has 32 divisors (see below), whose sum is σ = 69672960. Its totient is φ = 7698720.

The previous prime is 28950263. The next prime is 28950277. The reversal of 28950270 is 7205982.

It is an interprime number because it is at equal distance from previous prime (28950263) and next prime (28950277).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28950277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11811 + ... + 14049.

It is an arithmetic number, because the mean of its divisors is an integer number (2177280).

Almost surely, 2^28950270 is an apocalyptic number.

28950270 is an abundant number, since it is smaller than the sum of its proper divisors (40722690).

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

28950270 is a wasteful number, since it uses less digits than its factorization.

28950270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2680.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 28950270 is about 5380.5455113771. The cubic root of 28950270 is about 307.0559656340.

The spelling of 28950270 in words is "twenty-eight million, nine hundred fifty thousand, two hundred seventy".