28494374 has 4 divisors (see below), whose sum is σ = 42741564. Its totient is φ = 14247186.

The previous prime is 28494371. The next prime is 28494377. The reversal of 28494374 is 47349482.

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

It is an interprime number because it is at equal distance from previous prime (28494371) and next prime (28494377).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28494371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7123592 + ... + 7123595.

It is an arithmetic number, because the mean of its divisors is an integer number (10685391).

Almost surely, 2^28494374 is an apocalyptic number.

28494374 is a deficient number, since it is larger than the sum of its proper divisors (14247190).

28494374 is a wasteful number, since it uses less digits than its factorization.

28494374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14247189.

The product of its digits is 193536, while the sum is 41.

The square root of 28494374 is about 5338.0121768314. The cubic root of 28494374 is about 305.4356365470.

The spelling of 28494374 in words is "twenty-eight million, four hundred ninety-four thousand, three hundred seventy-four".