28699446 has 16 divisors (see below), whose sum is σ = 59894784. Its totient is φ = 9150504.

The previous prime is 28699409. The next prime is 28699471. The reversal of 28699446 is 64499682.

It is a junction number, because it is equal to n+sod(n) for n = 28699395 and 28699404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103846 + ... + 104121.

It is an arithmetic number, because the mean of its divisors is an integer number (3743424).

Almost surely, 2^28699446 is an apocalyptic number.

28699446 is an abundant number, since it is smaller than the sum of its proper divisors (31195338).

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

28699446 is a wasteful number, since it uses less digits than its factorization.

28699446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207995.

The product of its digits is 746496, while the sum is 48.

The square root of 28699446 is about 5357.1863883946. The cubic root of 28699446 is about 306.1666186441.

The spelling of 28699446 in words is "twenty-eight million, six hundred ninety-nine thousand, four hundred forty-six".