423846969 has 16 divisors (see below), whose sum is σ = 695544192. Its totient is φ = 223567488.

The previous prime is 423846949. The next prime is 423847007. The reversal of 423846969 is 969648324.

It is a de Polignac number, because none of the positive numbers 2^k-423846969 is a prime.

It is a super-2 number, since 2×423846969² = 359292506260973922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (423846949) 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 15 ways as a sum of consecutive naturals, for example, 776004 + ... + 776549.

It is an arithmetic number, because the mean of its divisors is an integer number (43471512).

Almost surely, 2^423846969 is an apocalyptic number.

It is an amenable number.

423846969 is a deficient number, since it is larger than the sum of its proper divisors (271697223).

423846969 is a wasteful number, since it uses less digits than its factorization.

423846969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552576.

The product of its digits is 2239488, while the sum is 51.

The square root of 423846969 is about 20587.5440254538. The cubic root of 423846969 is about 751.1667581814.

The spelling of 423846969 in words is "four hundred twenty-three million, eight hundred forty-six thousand, nine hundred sixty-nine".