986154940 has 24 divisors (see below), whose sum is σ = 2114989632. Its totient is φ = 386068800.

The previous prime is 986154899. The next prime is 986154971. The reversal of 986154940 is 49451689.

It is a happy number.

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, 523611 + ... + 525490.

It is an arithmetic number, because the mean of its divisors is an integer number (88124568).

Almost surely, 2^986154940 is an apocalyptic number.

It is an amenable number.

986154940 is an abundant number, since it is smaller than the sum of its proper divisors (1128834692).

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

986154940 is a wasteful number, since it uses less digits than its factorization.

986154940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049157 (or 1049155 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 986154940 is about 31403.1039867081. The cubic root of 986154940 is about 995.3635162418.

The spelling of 986154940 in words is "nine hundred eighty-six million, one hundred fifty-four thousand, nine hundred forty".