415974661 has 8 divisors (see below), whose sum is σ = 420507648. Its totient is φ = 411450000.

The previous prime is 415974623. The next prime is 415974673. The reversal of 415974661 is 166479514.

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

It is a cyclic number.

It is not a de Polignac number, because 415974661 - 2¹⁵ = 415941893 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 (415984661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195996 + ... + 198106.

It is an arithmetic number, because the mean of its divisors is an integer number (52563456).

Almost surely, 2^415974661 is an apocalyptic number.

It is an amenable number.

415974661 is a deficient number, since it is larger than the sum of its proper divisors (4532987).

415974661 is a wasteful number, since it uses less digits than its factorization.

415974661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4163.

The product of its digits is 181440, while the sum is 43.

The square root of 415974661 is about 20395.4568715682. The cubic root of 415974661 is about 746.4870743089.

The spelling of 415974661 in words is "four hundred fifteen million, nine hundred seventy-four thousand, six hundred sixty-one".