10987538 has 8 divisors (see below), whose sum is σ = 16495488. Its totient is φ = 5489044.

The previous prime is 10987523. The next prime is 10987541. The reversal of 10987538 is 83578901.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 10987495 and 10987504.

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, 2795 + ... + 5457.

It is an arithmetic number, because the mean of its divisors is an integer number (2061936).

Almost surely, 2^10987538 is an apocalyptic number.

10987538 is a deficient number, since it is larger than the sum of its proper divisors (5507950).

10987538 is a wasteful number, since it uses less digits than its factorization.

10987538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4728.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 10987538 is about 3314.7455407618. The cubic root of 10987538 is about 222.3139917455.

The spelling of 10987538 in words is "ten million, nine hundred eighty-seven thousand, five hundred thirty-eight".