28476738 has 16 divisors (see below), whose sum is σ = 63281760. Its totient is φ = 9492228.

The previous prime is 28476733. The next prime is 28476739. The reversal of 28476738 is 83767482.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 28476693 and 28476702.

It is not an unprimeable number, because it can be changed into a prime (28476733) 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, 263620 + ... + 263727.

It is an arithmetic number, because the mean of its divisors is an integer number (3955110).

Almost surely, 2^28476738 is an apocalyptic number.

28476738 is an abundant number, since it is smaller than the sum of its proper divisors (34805022).

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

28476738 is a wasteful number, since it uses less digits than its factorization.

28476738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527358 (or 527352 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 28476738 is about 5336.3599953526. The cubic root of 28476738 is about 305.3726091977.

The spelling of 28476738 in words is "twenty-eight million, four hundred seventy-six thousand, seven hundred thirty-eight".