290932693 has 16 divisors (see below), whose sum is σ = 312120000. Its totient is φ = 270369792.

The previous prime is 290932687. The next prime is 290932709. The reversal of 290932693 is 396239092.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-290932693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290932633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 571323 + ... + 571831.

It is an arithmetic number, because the mean of its divisors is an integer number (19507500).

Almost surely, 2^290932693 is an apocalyptic number.

It is an amenable number.

290932693 is a deficient number, since it is larger than the sum of its proper divisors (21187307).

290932693 is a wasteful number, since it uses less digits than its factorization.

290932693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044.

The product of its (nonzero) digits is 157464, while the sum is 43.

The square root of 290932693 is about 17056.7491920354. The cubic root of 290932693 is about 662.6194438964.

The spelling of 290932693 in words is "two hundred ninety million, nine hundred thirty-two thousand, six hundred ninety-three".