424490961 has 4 divisors (see below), whose sum is σ = 565987952. Its totient is φ = 282993972.

The previous prime is 424490933. The next prime is 424490971. The reversal of 424490961 is 169094424.

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 not a de Polignac number, because 424490961 - 2⁶ = 424490897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424490971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70748491 + ... + 70748496.

It is an arithmetic number, because the mean of its divisors is an integer number (141496988).

Almost surely, 2^424490961 is an apocalyptic number.

It is an amenable number.

424490961 is a deficient number, since it is larger than the sum of its proper divisors (141496991).

424490961 is a wasteful number, since it uses less digits than its factorization.

424490961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141496990.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 424490961 is about 20603.1784198458. The cubic root of 424490961 is about 751.5470059473.

The spelling of 424490961 in words is "four hundred twenty-four million, four hundred ninety thousand, nine hundred sixty-one".