28293670 has 8 divisors (see below), whose sum is σ = 50928624. Its totient is φ = 11317464.

The previous prime is 28293667. The next prime is 28293673. The reversal of 28293670 is 7639282.

It is an interprime number because it is at equal distance from previous prime (28293667) and next prime (28293673).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28293673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1414674 + ... + 1414693.

It is an arithmetic number, because the mean of its divisors is an integer number (6366078).

Almost surely, 2^28293670 is an apocalyptic number.

28293670 is a deficient number, since it is larger than the sum of its proper divisors (22634954).

28293670 is a wasteful number, since it uses less digits than its factorization.

28293670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2829374.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 28293670 is about 5319.1794479976. The cubic root of 28293670 is about 304.7168203824.

The spelling of 28293670 in words is "twenty-eight million, two hundred ninety-three thousand, six hundred seventy".