3618806 has 4 divisors (see below), whose sum is σ = 5428212. Its totient is φ = 1809402.

The previous prime is 3618803. The next prime is 3618809. The reversal of 3618806 is 6088163.

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

It is an interprime number because it is at equal distance from previous prime (3618803) and next prime (3618809).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3618803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 904700 + ... + 904703.

It is an arithmetic number, because the mean of its divisors is an integer number (1357053).

Almost surely, 2^3618806 is an apocalyptic number.

3618806 is a deficient number, since it is larger than the sum of its proper divisors (1809406).

3618806 is a wasteful number, since it uses less digits than its factorization.

3618806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1809405.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 3618806 is about 1902.3159569325. The cubic root of 3618806 is about 153.5282974706.

The spelling of 3618806 in words is "three million, six hundred eighteen thousand, eight hundred six".