908401947 has 8 divisors (see below), whose sum is σ = 1236973056. Its totient is φ = 592716072.

The previous prime is 908401877. The next prime is 908402051. The reversal of 908401947 is 749104809.

908401947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 908401947 - 2¹⁴ = 908385563 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 908401899 and 908401908.

It is not an unprimeable number, because it can be changed into a prime (908401147) 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, 3221143 + ... + 3221424.

It is an arithmetic number, because the mean of its divisors is an integer number (154621632).

Almost surely, 2^908401947 is an apocalyptic number.

908401947 is a deficient number, since it is larger than the sum of its proper divisors (328571109).

908401947 is a wasteful number, since it uses less digits than its factorization.

908401947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6442617.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 908401947 is about 30139.7071485441. The cubic root of 908401947 is about 968.4845244561.

The spelling of 908401947 in words is "nine hundred eight million, four hundred one thousand, nine hundred forty-seven".