906201969 has 16 divisors (see below), whose sum is σ = 1225516800. Its totient is φ = 595535616.

The previous prime is 906201943. The next prime is 906201977. The reversal of 906201969 is 969102609.

It is a happy number.

It is not a de Polignac number, because 906201969 - 2⁵ = 906201937 is a prime.

It is a super-2 number, since 2×906201969² = 1642404017238953922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 906201969.

It is not an unprimeable number, because it can be changed into a prime (906201169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165337 + ... + 170729.

It is an arithmetic number, because the mean of its divisors is an integer number (76594800).

Almost surely, 2^906201969 is an apocalyptic number.

It is an amenable number.

906201969 is a deficient number, since it is larger than the sum of its proper divisors (319314831).

906201969 is a wasteful number, since it uses less digits than its factorization.

906201969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6184.

The product of its (nonzero) digits is 52488, while the sum is 42.

The square root of 906201969 is about 30103.1886849217. The cubic root of 906201969 is about 967.7020635721.

The spelling of 906201969 in words is "nine hundred six million, two hundred one thousand, nine hundred sixty-nine".