414433661 has 4 divisors (see below), whose sum is σ = 415621500. Its totient is φ = 413245824.

The previous prime is 414433651. The next prime is 414433687. The reversal of 414433661 is 166334414.

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 250747225 + 163686436 = 15835^2 + 12794^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-414433661 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 (414433601) 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, 593396 + ... + 594093.

It is an arithmetic number, because the mean of its divisors is an integer number (103905375).

Almost surely, 2^414433661 is an apocalyptic number.

It is an amenable number.

414433661 is a deficient number, since it is larger than the sum of its proper divisors (1187839).

414433661 is a wasteful number, since it uses less digits than its factorization.

414433661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1187838.

The product of its digits is 20736, while the sum is 32.

The square root of 414433661 is about 20357.6437978465. The cubic root of 414433661 is about 745.5641334711.

The spelling of 414433661 in words is "four hundred fourteen million, four hundred thirty-three thousand, six hundred sixty-one".