2400697 has 4 divisors (see below), whose sum is σ = 2585380. Its totient is φ = 2216016.

The previous prime is 2400667. The next prime is 2400703. The reversal of 2400697 is 7960042.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 395641 + 2005056 = 629^2 + 1416^2 .

It is a cyclic number.

It is not a de Polignac number, because 2400697 - 2¹⁵ = 2367929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2400667) 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, 92322 + ... + 92347.

It is an arithmetic number, because the mean of its divisors is an integer number (646345).

2^2400697 is an apocalyptic number.

It is an amenable number.

2400697 is a deficient number, since it is larger than the sum of its proper divisors (184683).

2400697 is a wasteful number, since it uses less digits than its factorization.

2400697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184682.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 2400697 is about 1549.4182779353. The cubic root of 2400697 is about 133.8995497277.

The spelling of 2400697 in words is "two million, four hundred thousand, six hundred ninety-seven".