987426 has 24 divisors (see below), whose sum is σ = 2334384. Its totient is φ = 299160.

The previous prime is 987391. The next prime is 987433. The reversal of 987426 is 624789.

It is a d-powerful number, because it can be written as 9 + 8 + 4⁸ + 7⁶ + 2¹⁹ + 6⁷ .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2296 + ... + 2691.

It is an arithmetic number, because the mean of its divisors is an integer number (97266).

2⁹⁸⁷⁴²⁶ is an apocalyptic number.

987426 is an abundant number, since it is smaller than the sum of its proper divisors (1346958).

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

987426 is a wasteful number, since it uses less digits than its factorization.

987426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5006 (or 5003 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 987426 is about 993.6931115792. The cubic root of 987426 is about 99.5790975636.

The spelling of 987426 in words is "nine hundred eighty-seven thousand, four hundred twenty-six".