28695401 has 8 divisors (see below), whose sum is σ = 32828544. Its totient is φ = 24570720.

The previous prime is 28695397. The next prime is 28695479. The reversal of 28695401 is 10459682.

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 28695401 - 2² = 28695397 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28695481) 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, 9221 + ... + 11933.

It is an arithmetic number, because the mean of its divisors is an integer number (4103568).

Almost surely, 2^28695401 is an apocalyptic number.

It is an amenable number.

28695401 is a deficient number, since it is larger than the sum of its proper divisors (4133143).

28695401 is a wasteful number, since it uses less digits than its factorization.

28695401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4231.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 28695401 is about 5356.8088448254. The cubic root of 28695401 is about 306.1522339046.

The spelling of 28695401 in words is "twenty-eight million, six hundred ninety-five thousand, four hundred one".