416461978 has 8 divisors (see below), whose sum is σ = 627285780. Its totient is φ = 207366720.

The previous prime is 416461957. The next prime is 416461999. The reversal of 416461978 is 879164614.

It is an interprime number because it is at equal distance from previous prime (416461957) and next prime (416461999).

It can be written as a sum of positive squares in 2 ways, for example, as 351450009 + 65011969 = 18747^2 + 8063^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 431533 + ... + 432496.

Almost surely, 2^416461978 is an apocalyptic number.

416461978 is a deficient number, since it is larger than the sum of its proper divisors (210823802).

416461978 is a wasteful number, since it uses less digits than its factorization.

416461978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864272.

The product of its digits is 290304, while the sum is 46.

The square root of 416461978 is about 20407.4000793830. The cubic root of 416461978 is about 746.7784653581.

The spelling of 416461978 in words is "four hundred sixteen million, four hundred sixty-one thousand, nine hundred seventy-eight".