402729696 has 36 divisors (see below), whose sum is σ = 1145263392. Its totient is φ = 134243136.

The previous prime is 402729673. The next prime is 402729709. The reversal of 402729696 is 696927204.

402729696 is a `hidden beast` number, since 402 + 72 + 96 + 96 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 698896 + ... + 699471.

It is an arithmetic number, because the mean of its divisors is an integer number (31812872).

Almost surely, 2^402729696 is an apocalyptic number.

It is an amenable number.

402729696 is an abundant number, since it is smaller than the sum of its proper divisors (742533696).

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

402729696 is a wasteful number, since it uses less digits than its factorization.

402729696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398383 (or 1398372 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 402729696 is about 20068.1263699430. The cubic root of 402729696 is about 738.4785492075.

The spelling of 402729696 in words is "four hundred two million, seven hundred twenty-nine thousand, six hundred ninety-six".