3694407 has 4 divisors (see below), whose sum is σ = 4925880. Its totient is φ = 2462936.

The previous prime is 3694393. The next prime is 3694409. The reversal of 3694407 is 7044963.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7044963 = 3 ⋅2348321.

It is a cyclic number.

It is not a de Polignac number, because 3694407 - 2⁷ = 3694279 is a prime.

It is a D-number.

3694407 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3694409) 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 3 ways as a sum of consecutive naturals, for example, 615732 + ... + 615737.

It is an arithmetic number, because the mean of its divisors is an integer number (1231470).

Almost surely, 2^3694407 is an apocalyptic number.

3694407 is a deficient number, since it is larger than the sum of its proper divisors (1231473).

3694407 is a wasteful number, since it uses less digits than its factorization.

3694407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231472.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 3694407 is about 1922.0840252185. The cubic root of 3694407 is about 154.5900648925.

The spelling of 3694407 in words is "three million, six hundred ninety-four thousand, four hundred seven".