28897342 has 8 divisors (see below), whose sum is σ = 43940016. Its totient is φ = 14250672.

The previous prime is 28897313. The next prime is 28897343. The reversal of 28897342 is 24379882.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28897343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98818 + ... + 99109.

It is an arithmetic number, because the mean of its divisors is an integer number (5492502).

Almost surely, 2^28897342 is an apocalyptic number.

28897342 is a deficient number, since it is larger than the sum of its proper divisors (15042674).

28897342 is a wasteful number, since it uses less digits than its factorization.

28897342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198002.

The product of its digits is 193536, while the sum is 43.

The square root of 28897342 is about 5375.6248008952. The cubic root of 28897342 is about 306.8687276300.

The spelling of 28897342 in words is "twenty-eight million, eight hundred ninety-seven thousand, three hundred forty-two".