906901001 has 4 divisors (see below), whose sum is σ = 936155904. Its totient is φ = 877646100.

The previous prime is 906900997. The next prime is 906901019. The reversal of 906901001 is 100109609.

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 906901001 - 2² = 906900997 is a prime.

It is a super-2 number, since 2×906901001² = 1644938851229604002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (906901081) 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 in 3 ways as a sum of consecutive naturals, for example, 14627405 + ... + 14627466.

It is an arithmetic number, because the mean of its divisors is an integer number (234038976).

Almost surely, 2^906901001 is an apocalyptic number.

It is an amenable number.

906901001 is a deficient number, since it is larger than the sum of its proper divisors (29254903).

906901001 is a wasteful number, since it uses less digits than its factorization.

906901001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29254902.

The product of its (nonzero) digits is 486, while the sum is 26.

The square root of 906901001 is about 30114.7970439782. The cubic root of 906901001 is about 967.9508237346.

The spelling of 906901001 in words is "nine hundred six million, nine hundred one thousand, one".