3214278684 has 72 divisors (see below), whose sum is σ = 8417878560. Its totient is φ = 1032915072.

The previous prime is 3214278653. The next prime is 3214278707. The reversal of 3214278684 is 4868724123.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 830137 + ... + 833999.

It is an arithmetic number, because the mean of its divisors is an integer number (116914980).

Almost surely, 2^3214278684 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3214278684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4208939280).

3214278684 is an abundant number, since it is smaller than the sum of its proper divisors (5203599876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3214278684 is a wasteful number, since it uses less digits than its factorization.

3214278684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4699 (or 4694 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 3214278684 is about 56694.6089500580. The cubic root of 3214278684 is about 1475.8011442503.

The spelling of 3214278684 in words is "three billion, two hundred fourteen million, two hundred seventy-eight thousand, six hundred eighty-four".