3659478 has 8 divisors (see below), whose sum is σ = 7318968. Its totient is φ = 1219824.

The previous prime is 3659477. The next prime is 3659479. The reversal of 3659478 is 8749563.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3659477) and next prime (3659479).

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

3659478 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3659477) 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, 304951 + ... + 304962.

It is an arithmetic number, because the mean of its divisors is an integer number (914871).

Almost surely, 2^3659478 is an apocalyptic number.

3659478 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.

3659478 is a wasteful number, since it uses less digits than its factorization.

3659478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609918.

The product of its digits is 181440, while the sum is 42.

The square root of 3659478 is about 1912.9762152207. The cubic root of 3659478 is about 154.1013275914.

The spelling of 3659478 in words is "three million, six hundred fifty-nine thousand, four hundred seventy-eight".