28872354 has 16 divisors (see below), whose sum is σ = 65994048. Its totient is φ = 8249232.

The previous prime is 28872331. The next prime is 28872359. The reversal of 28872354 is 45327882.

It is a super-2 number, since 2×28872354² = 1667225651002632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28872359) 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, 343677 + ... + 343760.

It is an arithmetic number, because the mean of its divisors is an integer number (4124628).

Almost surely, 2^28872354 is an apocalyptic number.

28872354 is an abundant number, since it is smaller than the sum of its proper divisors (37121694).

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

28872354 is a wasteful number, since it uses less digits than its factorization.

28872354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687449.

The product of its digits is 107520, while the sum is 39.

The square root of 28872354 is about 5373.3001032885. The cubic root of 28872354 is about 306.7802506684.

The spelling of 28872354 in words is "twenty-eight million, eight hundred seventy-two thousand, three hundred fifty-four".