28430366 has 8 divisors (see below), whose sum is σ = 43450344. Its totient is φ = 13946920.

The previous prime is 28430359. The next prime is 28430371. The reversal of 28430366 is 66303482.

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

It is a congruent number.

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, 134000 + ... + 134211.

It is an arithmetic number, because the mean of its divisors is an integer number (5431293).

Almost surely, 2^28430366 is an apocalyptic number.

28430366 is a deficient number, since it is larger than the sum of its proper divisors (15019978).

28430366 is a wasteful number, since it uses less digits than its factorization.

28430366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268266.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 28430366 is about 5332.0133158123. The cubic root of 28430366 is about 305.2067611744.

The spelling of 28430366 in words is "twenty-eight million, four hundred thirty thousand, three hundred sixty-six".