10949409 has 6 divisors (see below), whose sum is σ = 15815826. Its totient is φ = 7299600.

The previous prime is 10949401. The next prime is 10949431. The reversal of 10949409 is 90494901.

It can be written as a sum of positive squares in only one way, i.e., 8910225 + 2039184 = 2985^2 + 1428^2 .

It is not a de Polignac number, because 10949409 - 2³ = 10949401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10949401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 608292 + ... + 608309.

It is an arithmetic number, because the mean of its divisors is an integer number (2635971).

Almost surely, 2^10949409 is an apocalyptic number.

It is an amenable number.

10949409 is a deficient number, since it is larger than the sum of its proper divisors (4866417).

10949409 is a wasteful number, since it uses less digits than its factorization.

10949409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216607 (or 1216604 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 10949409 is about 3308.9891205624. The cubic root of 10949409 is about 222.0565353943.

The spelling of 10949409 in words is "ten million, nine hundred forty-nine thousand, four hundred nine".