1406426346 has 96 divisors (see below), whose sum is σ = 3365281920. Its totient is φ = 421863552.

The previous prime is 1406426323. The next prime is 1406426387. The reversal of 1406426346 is 6436246041.

1406426346 is a `hidden beast` number, since 1 + 4 + 0 + 642 + 6 + 3 + 4 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1406426346.

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 47 ways as a sum of consecutive naturals, for example, 1708491 + ... + 1709313.

It is an arithmetic number, because the mean of its divisors is an integer number (35055020).

Almost surely, 2^1406426346 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1406426346, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1682640960).

1406426346 is an abundant number, since it is smaller than the sum of its proper divisors (1958855574).

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

1406426346 is a wasteful number, since it uses less digits than its factorization.

1406426346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020 (or 1017 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The square root of 1406426346 is about 37502.3512062911. The cubic root of 1406426346 is about 1120.3980159590.

The spelling of 1406426346 in words is "one billion, four hundred six million, four hundred twenty-six thousand, three hundred forty-six".