2400867 has 16 divisors (see below), whose sum is σ = 4065280. Its totient is φ = 1371816.

The previous prime is 2400863. The next prime is 2400869. The reversal of 2400867 is 7680042.

It is not a de Polignac number, because 2400867 - 2² = 2400863 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2400867.

It is not an unprimeable number, because it can be changed into a prime (2400863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6163 + ... + 6540.

It is an arithmetic number, because the mean of its divisors is an integer number (254080).

2^2400867 is an apocalyptic number.

2400867 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2400867 is a deficient number, since it is larger than the sum of its proper divisors (1664413).

2400867 is a wasteful number, since it uses less digits than its factorization.

2400867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12719 (or 12713 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 2400867 is about 1549.4731362628. The cubic root of 2400867 is about 133.9027102523.

The spelling of 2400867 in words is "two million, four hundred thousand, eight hundred sixty-seven".