1406771248 has 40 divisors (see below), whose sum is σ = 2874134000. Its totient is φ = 665190144.

The previous prime is 1406771243. The next prime is 1406771251. The reversal of 1406771248 is 8421776041.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1406771248.

It is not an unprimeable number, because it can be changed into a prime (1406771243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182578 + ... + 190126.

It is an arithmetic number, because the mean of its divisors is an integer number (71853350).

Almost surely, 2^1406771248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1406771248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1437067000).

1406771248 is an abundant number, since it is smaller than the sum of its proper divisors (1467362752).

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

1406771248 is a wasteful number, since it uses less digits than its factorization.

1406771248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8189 (or 8183 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 1406771248 is about 37506.9493294243. The cubic root of 1406771248 is about 1120.4895946218.

The spelling of 1406771248 in words is "one billion, four hundred six million, seven hundred seventy-one thousand, two hundred forty-eight".