476241989 has 4 divisors (see below), whose sum is σ = 476286720. Its totient is φ = 476197260.

The previous prime is 476241959. The next prime is 476242007. The reversal of 476241989 is 989142674.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-476241989 is a prime.

It is a super-2 number, since 2×476241989² = 453612864173352242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (476241919) 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, 3842 + ... + 31100.

It is an arithmetic number, because the mean of its divisors is an integer number (119071680).

Almost surely, 2^476241989 is an apocalyptic number.

It is an amenable number.

476241989 is a deficient number, since it is larger than the sum of its proper divisors (44731).

476241989 is a wasteful number, since it uses less digits than its factorization.

476241989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44730.

The product of its digits is 870912, while the sum is 50.

The square root of 476241989 is about 21822.9692984250. The cubic root of 476241989 is about 780.9248229306.

The spelling of 476241989 in words is "four hundred seventy-six million, two hundred forty-one thousand, nine hundred eighty-nine".