474866421 has 4 divisors (see below), whose sum is σ = 633155232. Its totient is φ = 316577612.

The previous prime is 474866417. The next prime is 474866429. The reversal of 474866421 is 124668474.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 474866421 - 2² = 474866417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (474866429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79144401 + ... + 79144406.

It is an arithmetic number, because the mean of its divisors is an integer number (158288808).

Almost surely, 2^474866421 is an apocalyptic number.

It is an amenable number.

474866421 is a deficient number, since it is larger than the sum of its proper divisors (158288811).

474866421 is a wasteful number, since it uses less digits than its factorization.

474866421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158288810.

The product of its digits is 258048, while the sum is 42.

The square root of 474866421 is about 21791.4299897919. The cubic root of 474866421 is about 780.1722285690.

The spelling of 474866421 in words is "four hundred seventy-four million, eight hundred sixty-six thousand, four hundred twenty-one".