421496366 has 4 divisors (see below), whose sum is σ = 632244552. Its totient is φ = 210748182.

The previous prime is 421496311. The next prime is 421496371. The reversal of 421496366 is 663694124.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105374090 + ... + 105374093.

It is an arithmetic number, because the mean of its divisors is an integer number (158061138).

Almost surely, 2^421496366 is an apocalyptic number.

421496366 is a deficient number, since it is larger than the sum of its proper divisors (210748186).

421496366 is a wasteful number, since it uses less digits than its factorization.

421496366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210748185.

The product of its digits is 186624, while the sum is 41.

The square root of 421496366 is about 20530.3766648350. The cubic root of 421496366 is about 749.7755571369.

The spelling of 421496366 in words is "four hundred twenty-one million, four hundred ninety-six thousand, three hundred sixty-six".