1406244319 has 4 divisors (see below), whose sum is σ = 1424044960. Its totient is φ = 1388443680.

The previous prime is 1406244313. The next prime is 1406244337. The reversal of 1406244319 is 9134426041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1406244319 - 2²¹ = 1404147167 is a prime.

It is a super-2 number, since 2×1406244319² = 3955046169439547522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406244313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8900202 + ... + 8900359.

It is an arithmetic number, because the mean of its divisors is an integer number (356011240).

Almost surely, 2^1406244319 is an apocalyptic number.

1406244319 is a deficient number, since it is larger than the sum of its proper divisors (17800641).

1406244319 is an equidigital number, since it uses as much as digits as its factorization.

1406244319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17800640.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 1406244319 is about 37499.9242532568. The cubic root of 1406244319 is about 1120.3496779641.

The spelling of 1406244319 in words is "one billion, four hundred six million, two hundred forty-four thousand, three hundred nineteen".