10987398 has 24 divisors (see below), whose sum is σ = 23867688. Its totient is φ = 3652992.

The previous prime is 10987391. The next prime is 10987411. The reversal of 10987398 is 89378901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10987391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11661 + ... + 12567.

It is an arithmetic number, because the mean of its divisors is an integer number (994487).

Almost surely, 2^10987398 is an apocalyptic number.

10987398 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

10987398 is an abundant number, since it is smaller than the sum of its proper divisors (12880290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10987398 is a wasteful number, since it uses less digits than its factorization.

10987398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1588 (or 1585 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 10987398 is about 3314.7244229347. The cubic root of 10987398 is about 222.3130475215.

The spelling of 10987398 in words is "ten million, nine hundred eighty-seven thousand, three hundred ninety-eight".