1448021684 has 12 divisors (see below), whose sum is σ = 2587953984. Its totient is φ = 708606264.

The previous prime is 1448021651. The next prime is 1448021717. The reversal of 1448021684 is 4861208441.

It is an interprime number because it is at equal distance from previous prime (1448021651) and next prime (1448021717).

It is a hoax number, since the sum of its digits (38) 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, 3850934 + ... + 3851309.

It is an arithmetic number, because the mean of its divisors is an integer number (215662832).

Almost surely, 2^1448021684 is an apocalyptic number.

It is an amenable number.

1448021684 is a deficient number, since it is larger than the sum of its proper divisors (1139932300).

1448021684 is a wasteful number, since it uses less digits than its factorization.

1448021684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7702294 (or 7702292 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 38.

The square root of 1448021684 is about 38052.8801012486. The cubic root of 1448021684 is about 1131.3362124136.

The spelling of 1448021684 in words is "one billion, four hundred forty-eight million, twenty-one thousand, six hundred eighty-four".