902661 has 8 divisors (see below), whose sum is σ = 1210560. Its totient is φ = 598272.

The previous prime is 902659. The next prime is 902669. The reversal of 902661 is 166209.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 902661 - 2¹ = 902659 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 902661.

It is not an unprimeable number, because it can be changed into a prime (902669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201 + ... + 1358.

It is an arithmetic number, because the mean of its divisors is an integer number (151320).

2⁹⁰²⁶⁶¹ is an apocalyptic number.

It is an amenable number.

902661 is a deficient number, since it is larger than the sum of its proper divisors (307899).

902661 is a wasteful number, since it uses less digits than its factorization.

902661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1755.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 902661 is about 950.0847330633. The cubic root of 902661 is about 96.6439991771.

Adding to 902661 its product of nonzero digits (648), we get a palindrome (903309).

The spelling of 902661 in words is "nine hundred two thousand, six hundred sixty-one".