987970 has 16 divisors (see below), whose sum is σ = 1836288. Its totient is φ = 382320.

The previous prime is 987941. The next prime is 987971. The reversal of 987970 is 79789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1284 + ... + 1903.

It is an arithmetic number, because the mean of its divisors is an integer number (114768).

2⁹⁸⁷⁹⁷⁰ is an apocalyptic number.

987970 is a deficient number, since it is larger than the sum of its proper divisors (848318).

987970 is a wasteful number, since it uses less digits than its factorization.

987970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3225.

The product of its (nonzero) digits is 31752, while the sum is 40.

The square root of 987970 is about 993.9668002504. The cubic root of 987970 is about 99.5973811562.

The spelling of 987970 in words is "nine hundred eighty-seven thousand, nine hundred seventy".