28012010 has 32 divisors (see below), whose sum is σ = 54698112. Its totient is φ = 10267200.

The previous prime is 28011989. The next prime is 28012031. The reversal of 28012010 is 1021082.

It is an interprime number because it is at equal distance from previous prime (28011989) and next prime (28012031).

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, 18917 + ... + 20343.

It is an arithmetic number, because the mean of its divisors is an integer number (1709316).

Almost surely, 2^28012010 is an apocalyptic number.

28012010 is a deficient number, since it is larger than the sum of its proper divisors (26686102).

28012010 is a wasteful number, since it uses less digits than its factorization.

28012010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1598.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 28012010 is about 5292.6373387943. The cubic root of 28012010 is about 303.7023069739.

Adding to 28012010 its reverse (1021082), we get a palindrome (29033092).

The spelling of 28012010 in words is "twenty-eight million, twelve thousand, ten".