2404987 has 4 divisors (see below), whose sum is σ = 2590000. Its totient is φ = 2219976.

The previous prime is 2404957. The next prime is 2404991. The reversal of 2404987 is 7894042.

It is a happy number.

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 2404987 - 2⁷ = 2404859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2404907) 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, 92487 + ... + 92512.

It is an arithmetic number, because the mean of its divisors is an integer number (647500).

2^2404987 is an apocalyptic number.

2404987 is a deficient number, since it is larger than the sum of its proper divisors (185013).

2404987 is a wasteful number, since it uses less digits than its factorization.

2404987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185012.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 2404987 is about 1550.8020505532. The cubic root of 2404987 is about 133.9792609175.

The spelling of 2404987 in words is "two million, four hundred four thousand, nine hundred eighty-seven".