414894661 has 2 divisors, whose sum is σ = 414894662. Its totient is φ = 414894660.

The previous prime is 414894647. The next prime is 414894671. The reversal of 414894661 is 166498414.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 379860100 + 35034561 = 19490^2 + 5919^2 .

It is a cyclic number.

It is not a de Polignac number, because 414894661 - 2²¹ = 412797509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (414894671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207447330 + 207447331.

It is an arithmetic number, because the mean of its divisors is an integer number (207447331).

Almost surely, 2^414894661 is an apocalyptic number.

It is an amenable number.

414894661 is a deficient number, since it is larger than the sum of its proper divisors (1).

414894661 is an equidigital number, since it uses as much as digits as its factorization.

414894661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 43.

The square root of 414894661 is about 20368.9631793079. The cubic root of 414894661 is about 745.8404766153.

The spelling of 414894661 in words is "four hundred fourteen million, eight hundred ninety-four thousand, six hundred sixty-one".