28632542 has 8 divisors (see below), whose sum is σ = 42984216. Its totient is φ = 14304472.

The previous prime is 28632533. The next prime is 28632559. The reversal of 28632542 is 24523682.

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

It is a super-2 number, since 2×28632542² = 1639644922763528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28632499 and 28632508.

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, 2468 + ... + 7959.

It is an arithmetic number, because the mean of its divisors is an integer number (5373027).

Almost surely, 2^28632542 is an apocalyptic number.

28632542 is a deficient number, since it is larger than the sum of its proper divisors (14351674).

28632542 is a wasteful number, since it uses less digits than its factorization.

28632542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11802.

The product of its digits is 23040, while the sum is 32.

The square root of 28632542 is about 5350.9384223704. The cubic root of 28632542 is about 305.9285221860.

The spelling of 28632542 in words is "twenty-eight million, six hundred thirty-two thousand, five hundred forty-two".