908641 has 4 divisors (see below), whose sum is σ = 937984. Its totient is φ = 879300.

The previous prime is 908627. The next prime is 908653. The reversal of 908641 is 146809.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 908641 - 2⁷ = 908513 is a prime.

It is a Duffinian number.

908641 is a lucky number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (908671) 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, 14625 + ... + 14686.

It is an arithmetic number, because the mean of its divisors is an integer number (234496).

2⁹⁰⁸⁶⁴¹ is an apocalyptic number.

It is an amenable number.

908641 is a deficient number, since it is larger than the sum of its proper divisors (29343).

908641 is a wasteful number, since it uses less digits than its factorization.

908641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29342.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 908641 is about 953.2266257297. The cubic root of 908641 is about 96.8569471737.

The spelling of 908641 in words is "nine hundred eight thousand, six hundred forty-one".