474009917 has 4 divisors (see below), whose sum is σ = 474249276. Its totient is φ = 473770560.

The previous prime is 474009911. The next prime is 474009919. The reversal of 474009917 is 719900474.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3076516 + 470933401 = 1754^2 + 21701^2 .

It is a cyclic number.

It is not a de Polignac number, because 474009917 - 2⁸ = 474009661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (474009911) 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, 116684 + ... + 120677.

It is an arithmetic number, because the mean of its divisors is an integer number (118562319).

Almost surely, 2^474009917 is an apocalyptic number.

It is an amenable number.

474009917 is a deficient number, since it is larger than the sum of its proper divisors (239359).

474009917 is a wasteful number, since it uses less digits than its factorization.

474009917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239358.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 474009917 is about 21771.7688073340. The cubic root of 474009917 is about 779.7028876073.

The spelling of 474009917 in words is "four hundred seventy-four million, nine thousand, nine hundred seventeen".