28382954 has 4 divisors (see below), whose sum is σ = 42574434. Its totient is φ = 14191476.

The previous prime is 28382933. The next prime is 28382957. The reversal of 28382954 is 45928382.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 22306729 + 6076225 = 4723^2 + 2465^2 .

It is a super-2 number, since 2×28382954² = 1611184155532232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28382957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7095737 + ... + 7095740.

Almost surely, 2^28382954 is an apocalyptic number.

28382954 is a deficient number, since it is larger than the sum of its proper divisors (14191480).

28382954 is a wasteful number, since it uses less digits than its factorization.

28382954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14191479.

The product of its digits is 138240, while the sum is 41.

The square root of 28382954 is about 5327.5654852850. The cubic root of 28382954 is about 305.0370070656.

The spelling of 28382954 in words is "twenty-eight million, three hundred eighty-two thousand, nine hundred fifty-four".