2403606 has 8 divisors (see below), whose sum is σ = 4807224. Its totient is φ = 801200.

The previous prime is 2403593. The next prime is 2403619. The reversal of 2403606 is 6063042.

It is an interprime number because it is at equal distance from previous prime (2403593) and next prime (2403619).

It is a sphenic number, since it is the product of 3 distinct primes.

2403606 is an admirable number.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200295 + ... + 200306.

It is an arithmetic number, because the mean of its divisors is an integer number (600903).

2^2403606 is an apocalyptic number.

2403606 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2403606 is a wasteful number, since it uses less digits than its factorization.

2403606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400606.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 2403606 is about 1550.3567331424. The cubic root of 2403606 is about 133.9536113283.

Adding to 2403606 its reverse (6063042), we get a palindrome (8466648).

The spelling of 2403606 in words is "two million, four hundred three thousand, six hundred six".