86421464 has 8 divisors (see below), whose sum is σ = 162040260. Its totient is φ = 43210728.

The previous prime is 86421463. The next prime is 86421469. The reversal of 86421464 is 46412468.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86421463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5401334 + ... + 5401349.

Almost surely, 2^86421464 is an apocalyptic number.

It is an amenable number.

86421464 is a deficient number, since it is larger than the sum of its proper divisors (75618796).

86421464 is a wasteful number, since it uses less digits than its factorization.

86421464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10802689 (or 10802685 counting only the distinct ones).

The product of its digits is 36864, while the sum is 35.

The square root of 86421464 is about 9296.3145385685. The cubic root of 86421464 is about 442.1203851632.

The spelling of 86421464 in words is "eighty-six million, four hundred twenty-one thousand, four hundred sixty-four".