908348642 has 4 divisors (see below), whose sum is σ = 1362522966. Its totient is φ = 454174320.

The previous prime is 908348587. The next prime is 908348647. The reversal of 908348642 is 246843809.

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

It can be written as a sum of positive squares in only one way, i.e., 900060001 + 8288641 = 30001^2 + 2879^2 .

It is a junction number, because it is equal to n+sod(n) for n = 908348593 and 908348602.

It is not an unprimeable number, because it can be changed into a prime (908348647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227087159 + ... + 227087162.

Almost surely, 2^908348642 is an apocalyptic number.

908348642 is a deficient number, since it is larger than the sum of its proper divisors (454174324).

908348642 is a wasteful number, since it uses less digits than its factorization.

908348642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454174323.

The product of its (nonzero) digits is 331776, while the sum is 44.

The square root of 908348642 is about 30138.8228369988. The cubic root of 908348642 is about 968.4655805375.

The spelling of 908348642 in words is "nine hundred eight million, three hundred forty-eight thousand, six hundred forty-two".