28041436 has 6 divisors (see below), whose sum is σ = 49072520. Its totient is φ = 14020716.

The previous prime is 28041427. The next prime is 28041437. The reversal of 28041436 is 63414082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28041437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3505176 + ... + 3505183.

Almost surely, 2^28041436 is an apocalyptic number.

It is an amenable number.

28041436 is a deficient number, since it is larger than the sum of its proper divisors (21031084).

28041436 is a wasteful number, since it uses less digits than its factorization.

28041436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7010363 (or 7010361 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 28041436 is about 5295.4165086422. The cubic root of 28041436 is about 303.8086139547.

The spelling of 28041436 in words is "twenty-eight million, forty-one thousand, four hundred thirty-six".