28970116 has 24 divisors (see below), whose sum is σ = 58254336. Its totient is φ = 12348480.

The previous prime is 28970107. The next prime is 28970119. The reversal of 28970116 is 61107982.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (28970119) 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, 2640 + ... + 8056.

It is an arithmetic number, because the mean of its divisors is an integer number (2427264).

Almost surely, 2^28970116 is an apocalyptic number.

It is an amenable number.

28970116 is an abundant number, since it is smaller than the sum of its proper divisors (29284220).

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

28970116 is a wasteful number, since it uses less digits than its factorization.

28970116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5619 (or 5617 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 28970116 is about 5382.3894322132. The cubic root of 28970116 is about 307.1261139808.

The spelling of 28970116 in words is "twenty-eight million, nine hundred seventy thousand, one hundred sixteen".