10487990 has 8 divisors (see below), whose sum is σ = 18878400. Its totient is φ = 4195192.

The previous prime is 10487969. The next prime is 10487999. The reversal of 10487990 is 9978401.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10487999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 524390 + ... + 524409.

It is an arithmetic number, because the mean of its divisors is an integer number (2359800).

Almost surely, 2^10487990 is an apocalyptic number.

10487990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10487990 is a deficient number, since it is larger than the sum of its proper divisors (8390410).

10487990 is a wasteful number, since it uses less digits than its factorization.

10487990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048806.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 10487990 is about 3238.5166357454. The cubic root of 10487990 is about 218.8924362140.

The spelling of 10487990 in words is "ten million, four hundred eighty-seven thousand, nine hundred ninety".