402829628 has 12 divisors (see below), whose sum is σ = 705095160. Its totient is φ = 201373872.

The previous prime is 402829607. The next prime is 402829631. The reversal of 402829628 is 826928204.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 26750 + ... + 39002.

It is an arithmetic number, because the mean of its divisors is an integer number (58757930).

Almost surely, 2^402829628 is an apocalyptic number.

It is an amenable number.

402829628 is a deficient number, since it is larger than the sum of its proper divisors (302265532).

402829628 is a wasteful number, since it uses less digits than its factorization.

402829628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20476 (or 20474 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 402829628 is about 20070.6160343922. The cubic root of 402829628 is about 738.5396253553.

The spelling of 402829628 in words is "four hundred two million, eight hundred twenty-nine thousand, six hundred twenty-eight".