3655494 has 24 divisors (see below), whose sum is σ = 7957872. Its totient is φ = 1212720.

The previous prime is 3655481. The next prime is 3655499. The reversal of 3655494 is 4945563.

It is a happy number.

It is a d-powerful number, because it can be written as 3⁷ + 6⁸ + 5 + 5⁹ + 4⁶ + 9² + 4⁷ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3655499) 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 in 11 ways as a sum of consecutive naturals, for example, 5272 + ... + 5924.

It is an arithmetic number, because the mean of its divisors is an integer number (331578).

Almost surely, 2^3655494 is an apocalyptic number.

3655494 is an abundant number, since it is smaller than the sum of its proper divisors (4302378).

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

3655494 is a wasteful number, since it uses less digits than its factorization.

3655494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972 (or 969 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 3655494 is about 1911.9346223132. The cubic root of 3655494 is about 154.0453849480.

The spelling of 3655494 in words is "three million, six hundred fifty-five thousand, four hundred ninety-four".