987398 has 8 divisors (see below), whose sum is σ = 1501608. Its totient is φ = 486864.

The previous prime is 987391. The next prime is 987433. The reversal of 987398 is 893789.

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 (987391) 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, 3236 + ... + 3527.

It is an arithmetic number, because the mean of its divisors is an integer number (187701).

2⁹⁸⁷³⁹⁸ is an apocalyptic number.

987398 is a deficient number, since it is larger than the sum of its proper divisors (514210).

987398 is a wasteful number, since it uses less digits than its factorization.

987398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6838.

The product of its digits is 108864, while the sum is 44.

The square root of 987398 is about 993.6790226225. The cubic root of 987398 is about 99.5781563147.

The spelling of 987398 in words is "nine hundred eighty-seven thousand, three hundred ninety-eight".