28417071 has 8 divisors (see below), whose sum is σ = 39196080. Its totient is φ = 18291392.

The previous prime is 28417069. The next prime is 28417087. The reversal of 28417071 is 17071482.

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 28417071 - 2¹ = 28417069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28417031) 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, 163230 + ... + 163403.

It is an arithmetic number, because the mean of its divisors is an integer number (4899510).

Almost surely, 2^28417071 is an apocalyptic number.

28417071 is a deficient number, since it is larger than the sum of its proper divisors (10779009).

28417071 is a wasteful number, since it uses less digits than its factorization.

28417071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326665.

The product of its (nonzero) digits is 3136, while the sum is 30.

The square root of 28417071 is about 5330.7664552107. The cubic root of 28417071 is about 305.1591787577.

The spelling of 28417071 in words is "twenty-eight million, four hundred seventeen thousand, seventy-one".