116421804 has 18 divisors (see below), whose sum is σ = 294288540. Its totient is φ = 38807256.

The previous prime is 116421793. The next prime is 116421817. The reversal of 116421804 is 408124611.

It is a happy number.

116421804 is a `hidden beast` number, since 1 + 1 + 642 + 18 + 0 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×116421804² = 27108072893228832, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1616934 + ... + 1617005.

Almost surely, 2^116421804 is an apocalyptic number.

It is an amenable number.

116421804 is an abundant number, since it is smaller than the sum of its proper divisors (177866736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

116421804 is a wasteful number, since it uses less digits than its factorization.

116421804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3233949 (or 3233944 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 116421804 is about 10789.8936046654. The cubic root of 116421804 is about 488.2903125666.

The spelling of 116421804 in words is "one hundred sixteen million, four hundred twenty-one thousand, eight hundred four".