3655394 has 4 divisors (see below), whose sum is σ = 5483094. Its totient is φ = 1827696.

The previous prime is 3655373. The next prime is 3655397. The reversal of 3655394 is 4935563.

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

It can be written as a sum of positive squares in only one way, i.e., 3441025 + 214369 = 1855^2 + 463^2 .

It is not an unprimeable number, because it can be changed into a prime (3655397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 913847 + ... + 913850.

Almost surely, 2^3655394 is an apocalyptic number.

3655394 is a deficient number, since it is larger than the sum of its proper divisors (1827700).

3655394 is a wasteful number, since it uses less digits than its factorization.

3655394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1827699.

The product of its digits is 48600, while the sum is 35.

The square root of 3655394 is about 1911.9084706125. The cubic root of 3655394 is about 154.0439802424.

The spelling of 3655394 in words is "three million, six hundred fifty-five thousand, three hundred ninety-four".