4090647 has 24 divisors (see below), whose sum is σ = 6128640. Its totient is φ = 2424400.

The previous prime is 4090637. The next prime is 4090649. The reversal of 4090647 is 7460904.

It is not a de Polignac number, because 4090647 - 2⁷ = 4090519 is a prime.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4090649) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21322 + ... + 21512.

It is an arithmetic number, because the mean of its divisors is an integer number (255360).

Almost surely, 2^4090647 is an apocalyptic number.

4090647 is a deficient number, since it is larger than the sum of its proper divisors (2037993).

4090647 is a wasteful number, since it uses less digits than its factorization.

4090647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275 (or 264 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 4090647 is about 2022.5347957452. The cubic root of 4090647 is about 159.9302690936.

The spelling of 4090647 in words is "four million, ninety thousand, six hundred forty-seven".