8909542 has 4 divisors (see below), whose sum is σ = 13364316. Its totient is φ = 4454770.

The previous prime is 8909539. The next prime is 8909567. The reversal of 8909542 is 2459098.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2227384 + ... + 2227387.

It is an arithmetic number, because the mean of its divisors is an integer number (3341079).

Almost surely, 2^8909542 is an apocalyptic number.

8909542 is a deficient number, since it is larger than the sum of its proper divisors (4454774).

8909542 is a wasteful number, since it uses less digits than its factorization.

8909542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4454773.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 8909542 is about 2984.8855924474. The cubic root of 8909542 is about 207.3091446803.

The spelling of 8909542 in words is "eight million, nine hundred nine thousand, five hundred forty-two".