901947 has 4 divisors (see below), whose sum is σ = 1202600. Its totient is φ = 601296.

The previous prime is 901937. The next prime is 901963. The reversal of 901947 is 749109.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 749109 = 3 ⋅249703.

It is not a de Polignac number, because 901947 - 2⁴ = 901931 is a prime.

It is a D-number.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 901947.

It is not an unprimeable number, because it can be changed into a prime (901907) 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, 150322 + ... + 150327.

It is an arithmetic number, because the mean of its divisors is an integer number (300650).

2⁹⁰¹⁹⁴⁷ is an apocalyptic number.

901947 is a deficient number, since it is larger than the sum of its proper divisors (300653).

901947 is a wasteful number, since it uses less digits than its factorization.

901947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300652.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 901947 is about 949.7089027697. The cubic root of 901947 is about 96.6185108275.

The spelling of 901947 in words is "nine hundred one thousand, nine hundred forty-seven".