86654421 has 64 divisors (see below), whose sum is σ = 157440000. Its totient is φ = 46002816.

The previous prime is 86654419. The next prime is 86654467. The reversal of 86654421 is 12445668.

It is not a de Polignac number, because 86654421 - 2¹ = 86654419 is a prime.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86654411) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 211665 + ... + 212073.

It is an arithmetic number, because the mean of its divisors is an integer number (2460000).

Almost surely, 2^86654421 is an apocalyptic number.

It is an amenable number.

86654421 is a deficient number, since it is larger than the sum of its proper divisors (70785579).

86654421 is a wasteful number, since it uses less digits than its factorization.

86654421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503 (or 497 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 86654421 is about 9308.8356414753. The cubic root of 86654421 is about 442.5172874602.

The spelling of 86654421 in words is "eighty-six million, six hundred fifty-four thousand, four hundred twenty-one".