1420662684 has 36 divisors (see below), whose sum is σ = 3856086024. Its totient is φ = 405903456.

The previous prime is 1420662653. The next prime is 1420662697. The reversal of 1420662684 is 4862660241.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1207459 + ... + 1208634.

Almost surely, 2^1420662684 is an apocalyptic number.

1420662684 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1420662684 is an abundant number, since it is smaller than the sum of its proper divisors (2435423340).

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

1420662684 is a wasteful number, since it uses less digits than its factorization.

1420662684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2416114 (or 2416105 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 39.

The square root of 1420662684 is about 37691.6792409147. The cubic root of 1420662684 is about 1124.1656850188.

The spelling of 1420662684 in words is "one billion, four hundred twenty million, six hundred sixty-two thousand, six hundred eighty-four".