28642954 has 8 divisors (see below), whose sum is σ = 42991200. Its totient is φ = 14312556.

The previous prime is 28642931. The next prime is 28642963. The reversal of 28642954 is 45924682.

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

It is a super-2 number, since 2×28642954² = 1640837627692232, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 787 + ... + 7609.

It is an arithmetic number, because the mean of its divisors is an integer number (5373900).

Almost surely, 2^28642954 is an apocalyptic number.

28642954 is a deficient number, since it is larger than the sum of its proper divisors (14348246).

28642954 is a wasteful number, since it uses less digits than its factorization.

28642954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8924.

The product of its digits is 138240, while the sum is 40.

The square root of 28642954 is about 5351.9112473956. The cubic root of 28642954 is about 305.9656005302.

The spelling of 28642954 in words is "twenty-eight million, six hundred forty-two thousand, nine hundred fifty-four".