416862421 has 2 divisors, whose sum is σ = 416862422. Its totient is φ = 416862420.

The previous prime is 416862403. The next prime is 416862427. The reversal of 416862421 is 124268614.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 396567396 + 20295025 = 19914^2 + 4505^2 .

It is a cyclic number.

It is not a de Polignac number, because 416862421 - 2²⁵ = 383307989 is a prime.

It is a super-3 number, since 3×416862421³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (416862427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 208431210 + 208431211.

It is an arithmetic number, because the mean of its divisors is an integer number (208431211).

Almost surely, 2^416862421 is an apocalyptic number.

It is an amenable number.

416862421 is a deficient number, since it is larger than the sum of its proper divisors (1).

416862421 is an equidigital number, since it uses as much as digits as its factorization.

416862421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 34.

The square root of 416862421 is about 20417.2089424583. The cubic root of 416862421 is about 747.0177400333.

The spelling of 416862421 in words is "four hundred sixteen million, eight hundred sixty-two thousand, four hundred twenty-one".