2403967 has 4 divisors (see below), whose sum is σ = 2407960. Its totient is φ = 2399976.

The previous prime is 2403959. The next prime is 2403971. The reversal of 2403967 is 7693042.

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 2403967 - 2³ = 2403959 is a prime.

It is a d-powerful number, because it can be written as 2⁷ + 4¹⁰ + 0 + 3⁵ + 9⁶ + 6² + 7⁷ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2403977) 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, 888 + ... + 2365.

It is an arithmetic number, because the mean of its divisors is an integer number (601990).

2^2403967 is an apocalyptic number.

2403967 is a deficient number, since it is larger than the sum of its proper divisors (3993).

2403967 is an equidigital number, since it uses as much as digits as its factorization.

2403967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3992.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 2403967 is about 1550.4731535889. The cubic root of 2403967 is about 133.9603172017.

The spelling of 2403967 in words is "two million, four hundred three thousand, nine hundred sixty-seven".