421948802 has 16 divisors (see below), whose sum is σ = 692278272. Its totient is φ = 191290320.

The previous prime is 421948799. The next prime is 421948831. The reversal of 421948802 is 208849124.

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 in 7 ways as a sum of consecutive naturals, for example, 16613 + ... + 33464.

It is an arithmetic number, because the mean of its divisors is an integer number (43267392).

Almost surely, 2^421948802 is an apocalyptic number.

421948802 is a deficient number, since it is larger than the sum of its proper divisors (270329470).

421948802 is a wasteful number, since it uses less digits than its factorization.

421948802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50473.

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 421948802 is about 20541.3924065532. The cubic root of 421948802 is about 750.0437319685.

The spelling of 421948802 in words is "four hundred twenty-one million, nine hundred forty-eight thousand, eight hundred two".