1186690404 has 24 divisors (see below), whose sum is σ = 2827859328. Its totient is φ = 387147040.

The previous prime is 1186690369. The next prime is 1186690433. The reversal of 1186690404 is 4040966811.

It is a super-2 number, since 2×1186690404² = 2816468229891366432, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1051467 + ... + 1052594.

It is an arithmetic number, because the mean of its divisors is an integer number (117827472).

Almost surely, 2^1186690404 is an apocalyptic number.

It is an amenable number.

1186690404 is an abundant number, since it is smaller than the sum of its proper divisors (1641168924).

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

1186690404 is a wasteful number, since it uses less digits than its factorization.

1186690404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2104115 (or 2104113 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 1186690404 is about 34448.3730239906. The cubic root of 1186690404 is about 1058.7151883127.

The spelling of 1186690404 in words is "one billion, one hundred eighty-six million, six hundred ninety thousand, four hundred four".