906949409 has 16 divisors (see below), whose sum is σ = 966556800. Its totient is φ = 849104256.

The previous prime is 906949387. The next prime is 906949411. The reversal of 906949409 is 904949609.

It is a happy number.

906949409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 906949409 - 2¹² = 906945313 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (906949469) 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, 802757 + ... + 803885.

It is an arithmetic number, because the mean of its divisors is an integer number (60409800).

Almost surely, 2^906949409 is an apocalyptic number.

It is an amenable number.

906949409 is a deficient number, since it is larger than the sum of its proper divisors (59607391).

906949409 is a wasteful number, since it uses less digits than its factorization.

906949409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1864.

The product of its (nonzero) digits is 629856, while the sum is 50.

The square root of 906949409 is about 30115.6007577468. The cubic root of 906949409 is about 967.9680456548.

The spelling of 906949409 in words is "nine hundred six million, nine hundred forty-nine thousand, four hundred nine".