28954919 has 8 divisors (see below), whose sum is σ = 33138720. Its totient is φ = 24782976.

The previous prime is 28954903. The next prime is 28954943. The reversal of 28954919 is 91945982.

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 28954919 - 2⁴ = 28954903 is a prime.

It is a super-2 number, since 2×28954919² = 1676774668593122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28954969) 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, 3107 + ... + 8219.

It is an arithmetic number, because the mean of its divisors is an integer number (4142340).

Almost surely, 2^28954919 is an apocalyptic number.

28954919 is a deficient number, since it is larger than the sum of its proper divisors (4183801).

28954919 is an equidigital number, since it uses as much as digits as its factorization.

28954919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5929.

The product of its digits is 233280, while the sum is 47.

The square root of 28954919 is about 5380.9775134263. The cubic root of 28954919 is about 307.0724010222.

The spelling of 28954919 in words is "twenty-eight million, nine hundred fifty-four thousand, nine hundred nineteen".