1406774441 has 4 divisors (see below), whose sum is σ = 1408678800. Its totient is φ = 1404870084.

The previous prime is 1406774419. The next prime is 1406774449. The reversal of 1406774441 is 1444776041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1444776041 = 11329 ⋅127529.

It is a cyclic number.

It is not a de Polignac number, because 1406774441 - 2⁶ = 1406774377 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1406774395 and 1406774404.

It is not an unprimeable number, because it can be changed into a prime (1406774449) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 951071 + ... + 952548.

It is an arithmetic number, because the mean of its divisors is an integer number (352169700).

Almost surely, 2^1406774441 is an apocalyptic number.

It is an amenable number.

1406774441 is a deficient number, since it is larger than the sum of its proper divisors (1904359).

1406774441 is an equidigital number, since it uses as much as digits as its factorization.

1406774441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1904358.

The product of its (nonzero) digits is 75264, while the sum is 38.

The square root of 1406774441 is about 37506.9918948454. The cubic root of 1406774441 is about 1120.4904423599.

The spelling of 1406774441 in words is "one billion, four hundred six million, seven hundred seventy-four thousand, four hundred forty-one".