416987903 has 2 divisors, whose sum is σ = 416987904. Its totient is φ = 416987902.

The previous prime is 416987827. The next prime is 416987911. The reversal of 416987903 is 309789614.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 416987903 - 2¹⁰ = 416986879 is a prime.

It is a super-2 number, since 2×416987903² = 347757822496674818, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (416987993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 208493951 + 208493952.

It is an arithmetic number, because the mean of its divisors is an integer number (208493952).

Almost surely, 2^416987903 is an apocalyptic number.

416987903 is a deficient number, since it is larger than the sum of its proper divisors (1).

416987903 is an equidigital number, since it uses as much as digits as its factorization.

416987903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 416987903 is about 20420.2816581946. The cubic root of 416987903 is about 747.0926871233.

The spelling of 416987903 in words is "four hundred sixteen million, nine hundred eighty-seven thousand, nine hundred three".