3690047 has 16 divisors (see below), whose sum is σ = 4149600. Its totient is φ = 3265920.

The previous prime is 3690031. The next prime is 3690053. The reversal of 3690047 is 7400963.

It is a cyclic number.

It is not a de Polignac number, because 3690047 - 2⁴ = 3690031 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3690067) 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 15 ways as a sum of consecutive naturals, for example, 20297 + ... + 20477.

It is an arithmetic number, because the mean of its divisors is an integer number (259350).

Almost surely, 2^3690047 is an apocalyptic number.

3690047 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

3690047 is a deficient number, since it is larger than the sum of its proper divisors (459553).

3690047 is a wasteful number, since it uses less digits than its factorization.

3690047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 3690047 is about 1920.9495048022. The cubic root of 3690047 is about 154.5292271627.

The spelling of 3690047 in words is "three million, six hundred ninety thousand, forty-seven".