1406811249 has 12 divisors (see below), whose sum is σ = 2035782736. Its totient is φ = 936156312.

The previous prime is 1406811247. The next prime is 1406811269. The reversal of 1406811249 is 9421186041.

1406811249 is a `hidden beast` number, since 1 + 406 + 8 + 1 + 1 + 249 = 666.

It is not a de Polignac number, because 1406811249 - 2¹ = 1406811247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1406811247) 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 11 ways as a sum of consecutive naturals, for example, 137959 + ... + 147804.

Almost surely, 2^1406811249 is an apocalyptic number.

It is an amenable number.

1406811249 is a deficient number, since it is larger than the sum of its proper divisors (628971487).

1406811249 is a wasteful number, since it uses less digits than its factorization.

1406811249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286316 (or 286313 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 1406811249 is about 37507.4825734813. The cubic root of 1406811249 is about 1120.5002147516.

The spelling of 1406811249 in words is "one billion, four hundred six million, eight hundred eleven thousand, two hundred forty-nine".