407988499 has 8 divisors (see below), whose sum is σ = 422252208. Its totient is φ = 393930240.

The previous prime is 407988487. The next prime is 407988583. The reversal of 407988499 is 994889704.

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

It is a cyclic number.

It is not a de Polignac number, because 407988499 - 2¹⁷ = 407857427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (407988419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47317 + ... + 55270.

It is an arithmetic number, because the mean of its divisors is an integer number (52781526).

Almost surely, 2^407988499 is an apocalyptic number.

407988499 is a deficient number, since it is larger than the sum of its proper divisors (14263709).

407988499 is a wasteful number, since it uses less digits than its factorization.

407988499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102725.

The product of its (nonzero) digits is 5225472, while the sum is 58.

The square root of 407988499 is about 20198.7251825456. The cubic root of 407988499 is about 741.6789847272.

The spelling of 407988499 in words is "four hundred seven million, nine hundred eighty-eight thousand, four hundred ninety-nine".