1427864406 has 16 divisors (see below), whose sum is σ = 2856358848. Its totient is φ = 475849800.

The previous prime is 1427864381. The next prime is 1427864419. The reversal of 1427864406 is 6044687241.

It is a super-3 number, since 3×1427864406³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6321 + ... + 53811.

It is an arithmetic number, because the mean of its divisors is an integer number (178522428).

Almost surely, 2^1427864406 is an apocalyptic number.

1427864406 is an abundant number, since it is smaller than the sum of its proper divisors (1428494442).

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

1427864406 is a wasteful number, since it uses less digits than its factorization.

1427864406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52507.

The product of its (nonzero) digits is 258048, while the sum is 42.

The square root of 1427864406 is about 37787.0931139192. The cubic root of 1427864406 is about 1126.0620504933.

The spelling of 1427864406 in words is "one billion, four hundred twenty-seven million, eight hundred sixty-four thousand, four hundred six".