901000004 has 6 divisors (see below), whose sum is σ = 1576750014. Its totient is φ = 450500000.

The previous prime is 900999997. The next prime is 901000013. The reversal of 901000004 is 400000109.

It can be written as a sum of positive squares in only one way, i.e., 879003904 + 21996100 = 29648^2 + 4690^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112624997 + ... + 112625004.

It is an arithmetic number, because the mean of its divisors is an integer number (262791669).

Almost surely, 2^901000004 is an apocalyptic number.

It is an amenable number.

901000004 is a deficient number, since it is larger than the sum of its proper divisors (675750010).

901000004 is a wasteful number, since it uses less digits than its factorization.

901000004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225250005 (or 225250003 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 901000004 is about 30016.6621062369. The cubic root of 901000004 is about 965.8468423373.

The spelling of 901000004 in words is "nine hundred one million, four", and thus it is an aban number.