3693478 has 12 divisors (see below), whose sum is σ = 5793228. Its totient is φ = 1765940.

The previous prime is 3693463. The next prime is 3693479. The reversal of 3693478 is 8743963.

It is an Ulam number.

It is a d-powerful number, because it can be written as 3³ + 6⁴ + 9² + 3¹³ + 4⁴ + 7³ + 8⁷ .

It is a self number, because there is not a number n which added to its sum of digits gives 3693478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3693479) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 688 + ... + 2803.

It is an arithmetic number, because the mean of its divisors is an integer number (482769).

Almost surely, 2^3693478 is an apocalyptic number.

3693478 is a deficient number, since it is larger than the sum of its proper divisors (2099750).

3693478 is a wasteful number, since it uses less digits than its factorization.

3693478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3539 (or 3516 counting only the distinct ones).

The product of its digits is 108864, while the sum is 40.

The square root of 3693478 is about 1921.8423452510. The cubic root of 3693478 is about 154.5771060054.

The spelling of 3693478 in words is "three million, six hundred ninety-three thousand, four hundred seventy-eight".