1404467987 has 4 divisors (see below), whose sum is σ = 1512504000. Its totient is φ = 1296431976.

The previous prime is 1404467957. The next prime is 1404468019. The reversal of 1404467987 is 7897644041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1404467987 - 2⁸ = 1404467731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1404467957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54017987 + ... + 54018012.

It is an arithmetic number, because the mean of its divisors is an integer number (378126000).

Almost surely, 2^1404467987 is an apocalyptic number.

1404467987 is a deficient number, since it is larger than the sum of its proper divisors (108036013).

1404467987 is a wasteful number, since it uses less digits than its factorization.

1404467987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108036012.

The product of its (nonzero) digits is 1354752, while the sum is 50.

The square root of 1404467987 is about 37476.2322946157. The cubic root of 1404467987 is about 1119.8777468069.

The spelling of 1404467987 in words is "one billion, four hundred four million, four hundred sixty-seven thousand, nine hundred eighty-seven".