424646146 has 8 divisors (see below), whose sum is σ = 640651644. Its totient is φ = 211095600.

The previous prime is 424646141. The next prime is 424646147. The reversal of 424646146 is 641646424.

It can be written as a sum of positive squares in 2 ways, for example, as 416608921 + 8037225 = 20411^2 + 2835^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (424646141) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 613305 + ... + 613996.

Almost surely, 2^424646146 is an apocalyptic number.

424646146 is a deficient number, since it is larger than the sum of its proper divisors (216005498).

424646146 is a wasteful number, since it uses less digits than its factorization.

424646146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227476.

The product of its digits is 110592, while the sum is 37.

The square root of 424646146 is about 20606.9441208540. The cubic root of 424646146 is about 751.6385780680.

The spelling of 424646146 in words is "four hundred twenty-four million, six hundred forty-six thousand, one hundred forty-six".