28898542 has 4 divisors (see below), whose sum is σ = 43347816. Its totient is φ = 14449270.

The previous prime is 28898539. The next prime is 28898543. The reversal of 28898542 is 24589882.

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

It is a junction number, because it is equal to n+sod(n) for n = 28898492 and 28898501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28898543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7224634 + ... + 7224637.

It is an arithmetic number, because the mean of its divisors is an integer number (10836954).

Almost surely, 2^28898542 is an apocalyptic number.

28898542 is a deficient number, since it is larger than the sum of its proper divisors (14449274).

28898542 is a wasteful number, since it uses less digits than its factorization.

28898542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14449273.

The product of its digits is 368640, while the sum is 46.

The square root of 28898542 is about 5375.7364146692. The cubic root of 28898542 is about 306.8729752799.

The spelling of 28898542 in words is "twenty-eight million, eight hundred ninety-eight thousand, five hundred forty-two".