421296296 has 8 divisors (see below), whose sum is σ = 789930570. Its totient is φ = 210648144.

The previous prime is 421296289. The next prime is 421296301. The reversal of 421296296 is 692692124.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 344102500 + 77193796 = 18550^2 + 8786^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 26331011 + ... + 26331026.

Almost surely, 2^421296296 is an apocalyptic number.

It is an amenable number.

421296296 is a deficient number, since it is larger than the sum of its proper divisors (368634274).

421296296 is a wasteful number, since it uses less digits than its factorization.

421296296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52662043 (or 52662039 counting only the distinct ones).

The product of its digits is 93312, while the sum is 41.

The square root of 421296296 is about 20525.5035504613. The cubic root of 421296296 is about 749.6569073702.

The spelling of 421296296 in words is "four hundred twenty-one million, two hundred ninety-six thousand, two hundred ninety-six".