28293010 has 8 divisors (see below), whose sum is σ = 50927436. Its totient is φ = 11317200.

The previous prime is 28293007. The next prime is 28293017. The reversal of 28293010 is 1039282.

It can be written as a sum of positive squares in 2 ways, for example, as 27154521 + 1138489 = 5211^2 + 1067^2 .

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

It is not an unprimeable number, because it can be changed into a prime (28293017) 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, 1414641 + ... + 1414660.

Almost surely, 2^28293010 is an apocalyptic number.

28293010 is a deficient number, since it is larger than the sum of its proper divisors (22634426).

28293010 is a wasteful number, since it uses less digits than its factorization.

28293010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2829308.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 28293010 is about 5319.1174079917. The cubic root of 28293010 is about 304.7144510107.

The spelling of 28293010 in words is "twenty-eight million, two hundred ninety-three thousand, ten".