402707676 has 72 divisors (see below), whose sum is σ = 1095743376. Its totient is φ = 114777600.

The previous prime is 402707671. The next prime is 402707737. The reversal of 402707676 is 676707204.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402707671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 411700 + ... + 412676.

It is an arithmetic number, because the mean of its divisors is an integer number (15218658).

Almost surely, 2^402707676 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 402707676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (547871688).

402707676 is an abundant number, since it is smaller than the sum of its proper divisors (693035700).

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

402707676 is a wasteful number, since it uses less digits than its factorization.

402707676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1699 (or 1690 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 39.

The square root of 402707676 is about 20067.5777312560. The cubic root of 402707676 is about 738.4650897299.

The spelling of 402707676 in words is "four hundred two million, seven hundred seven thousand, six hundred seventy-six".