416987793 has 6 divisors (see below), whose sum is σ = 602315714. Its totient is φ = 277991856.

The previous prime is 416987731. The next prime is 416987821. The reversal of 416987793 is 397789614.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 339406929 + 77580864 = 18423^2 + 8808^2 .

It is not a de Polignac number, because 416987793 - 2⁸ = 416987537 is a prime.

It is a super-2 number, since 2×416987793² = 347757639022021698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (416987693) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23165980 + ... + 23165997.

Almost surely, 2^416987793 is an apocalyptic number.

It is an amenable number.

416987793 is a deficient number, since it is larger than the sum of its proper divisors (185327921).

416987793 is a wasteful number, since it uses less digits than its factorization.

416987793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46331983 (or 46331980 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 54.

The square root of 416987793 is about 20420.2789647938. The cubic root of 416987793 is about 747.0926214298.

The spelling of 416987793 in words is "four hundred sixteen million, nine hundred eighty-seven thousand, seven hundred ninety-three".