1402756646 has 16 divisors (see below), whose sum is σ = 2122148160. Its totient is φ = 695384040.

The previous prime is 1402756639. The next prime is 1402756661. The reversal of 1402756646 is 6466572041.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 422525 + ... + 425831.

It is an arithmetic number, because the mean of its divisors is an integer number (132634260).

Almost surely, 2^1402756646 is an apocalyptic number.

1402756646 is a deficient number, since it is larger than the sum of its proper divisors (719391514).

1402756646 is a wasteful number, since it uses less digits than its factorization.

1402756646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5059.

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 1402756646 is about 37453.3929838139. The cubic root of 1402756646 is about 1119.4227057849.

The spelling of 1402756646 in words is "one billion, four hundred two million, seven hundred fifty-six thousand, six hundred forty-six".