299400887 has 2 divisors, whose sum is σ = 299400888. Its totient is φ = 299400886.

The previous prime is 299400877. The next prime is 299400911. The reversal of 299400887 is 788004992.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 299400887 - 2²⁶ = 232292023 is a prime.

It is a super-2 number, since 2×299400887² = 179281782272773538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (299400817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149700443 + 149700444.

It is an arithmetic number, because the mean of its divisors is an integer number (149700444).

Almost surely, 2^299400887 is an apocalyptic number.

299400887 is a deficient number, since it is larger than the sum of its proper divisors (1).

299400887 is an equidigital number, since it uses as much as digits as its factorization.

299400887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 47.

The square root of 299400887 is about 17303.2045297974. The cubic root of 299400887 is about 668.9870242359.

The spelling of 299400887 in words is "two hundred ninety-nine million, four hundred thousand, eight hundred eighty-seven".