2406693 has 4 divisors (see below), whose sum is σ = 3208928. Its totient is φ = 1604460.

The previous prime is 2406689. The next prime is 2406709. The reversal of 2406693 is 3966042.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2406693 - 2² = 2406689 is a prime.

It is a D-number.

It is a Duffinian number.

2406693 is a lucky number.

It is a plaindrome in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 2406693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2406643) 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, 401113 + ... + 401118.

It is an arithmetic number, because the mean of its divisors is an integer number (802232).

2^2406693 is an apocalyptic number.

It is an amenable number.

2406693 is a deficient number, since it is larger than the sum of its proper divisors (802235).

2406693 is an equidigital number, since it uses as much as digits as its factorization.

2406693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802234.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 2406693 is about 1551.3519910066. The cubic root of 2406693 is about 134.0109332432.

The spelling of 2406693 in words is "two million, four hundred six thousand, six hundred ninety-three".