981656467 has 8 divisors (see below), whose sum is σ = 1107825840. Its totient is φ = 861641760.

The previous prime is 981656387. The next prime is 981656497. The reversal of 981656467 is 764656189.

981656467 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 981656467 - 2⁷ = 981656339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (981656497) 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, 1538328 + ... + 1538965.

It is an arithmetic number, because the mean of its divisors is an integer number (138478230).

Almost surely, 2^981656467 is an apocalyptic number.

981656467 is a deficient number, since it is larger than the sum of its proper divisors (126169373).

981656467 is a wasteful number, since it uses less digits than its factorization.

981656467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3077333.

The product of its digits is 2177280, while the sum is 52.

The square root of 981656467 is about 31331.3974632476. The cubic root of 981656467 is about 993.8477160244.

The spelling of 981656467 in words is "nine hundred eighty-one million, six hundred fifty-six thousand, four hundred sixty-seven".