4290691 has 4 divisors (see below), whose sum is σ = 4395384. Its totient is φ = 4186000.

The previous prime is 4290683. The next prime is 4290697. The reversal of 4290691 is 1960924.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4290691 - 2³ = 4290683 is a prime.

It is a Duffinian number.

4290691 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4290697) 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, 52285 + ... + 52366.

It is an arithmetic number, because the mean of its divisors is an integer number (1098846).

Almost surely, 2^4290691 is an apocalyptic number.

4290691 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

4290691 is a deficient number, since it is larger than the sum of its proper divisors (104693).

4290691 is a wasteful number, since it uses less digits than its factorization.

4290691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104692.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 4290691 is about 2071.3983199761. The cubic root of 4290691 is about 162.4959020663.

The spelling of 4290691 in words is "four million, two hundred ninety thousand, six hundred ninety-one".