986721467 has 4 divisors (see below), whose sum is σ = 987154080. Its totient is φ = 986288856.

The previous prime is 986721443. The next prime is 986721479. The reversal of 986721467 is 764127689.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 986721467 - 2¹⁶ = 986655931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (986721067) 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, 212867 + ... + 217452.

It is an arithmetic number, because the mean of its divisors is an integer number (246788520).

Almost surely, 2^986721467 is an apocalyptic number.

986721467 is a deficient number, since it is larger than the sum of its proper divisors (432613).

986721467 is a wasteful number, since it uses less digits than its factorization.

986721467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432612.

The product of its digits is 1016064, while the sum is 50.

The square root of 986721467 is about 31412.1229304866. The cubic root of 986721467 is about 995.5540854702.

The spelling of 986721467 in words is "nine hundred eighty-six million, seven hundred twenty-one thousand, four hundred sixty-seven".