128463484 has 12 divisors (see below), whose sum is σ = 236643400. Its totient is φ = 60851088.

The previous prime is 128463463. The next prime is 128463493. The reversal of 128463484 is 484364821.

It is a happy number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 845079 + ... + 845230.

Almost surely, 2^128463484 is an apocalyptic number.

It is an amenable number.

128463484 is a deficient number, since it is larger than the sum of its proper divisors (108179916).

128463484 is a wasteful number, since it uses less digits than its factorization.

128463484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1690332 (or 1690330 counting only the distinct ones).

The product of its digits is 147456, while the sum is 40.

The square root of 128463484 is about 11334.1732825998. The cubic root of 128463484 is about 504.5759718713.

The spelling of 128463484 in words is "one hundred twenty-eight million, four hundred sixty-three thousand, four hundred eighty-four".