28036741 has 8 divisors (see below), whose sum is σ = 29433600. Its totient is φ = 26670720.

The previous prime is 28036733. The next prime is 28036777. The reversal of 28036741 is 14763082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28036741 - 2³ = 28036733 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28036711) 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, 5836 + ... + 9493.

It is an arithmetic number, because the mean of its divisors is an integer number (3679200).

Almost surely, 2^28036741 is an apocalyptic number.

It is an amenable number.

28036741 is a deficient number, since it is larger than the sum of its proper divisors (1396859).

28036741 is a wasteful number, since it uses less digits than its factorization.

28036741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15419.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 28036741 is about 5294.9731821795. The cubic root of 28036741 is about 303.7916573688.

The spelling of 28036741 in words is "twenty-eight million, thirty-six thousand, seven hundred forty-one".