987398254 has 16 divisors (see below), whose sum is σ = 1495128960. Its totient is φ = 489042360.

The previous prime is 987398239. The next prime is 987398287. The reversal of 987398254 is 452893789.

987398254 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 987398195 and 987398204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96517 + ... + 106255.

It is an arithmetic number, because the mean of its divisors is an integer number (93445560).

Almost surely, 2^987398254 is an apocalyptic number.

987398254 is a deficient number, since it is larger than the sum of its proper divisors (507730706).

987398254 is a wasteful number, since it uses less digits than its factorization.

987398254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10215.

The product of its digits is 4354560, while the sum is 55.

The square root of 987398254 is about 31422.8937878102. The cubic root of 987398254 is about 995.7816485320.

The spelling of 987398254 in words is "nine hundred eighty-seven million, three hundred ninety-eight thousand, two hundred fifty-four".