909413 has 4 divisors (see below), whose sum is σ = 911340. Its totient is φ = 907488.

The previous prime is 909409. The next prime is 909437. The reversal of 909413 is 314909.

It is a happy number.

909413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 314909 = 7 ⋅44987.

It can be written as a sum of positive squares in 2 ways, for example, as 388129 + 521284 = 623^2 + 722^2 .

It is a cyclic number.

It is not a de Polignac number, because 909413 - 2² = 909409 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (909463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281 + ... + 1377.

It is an arithmetic number, because the mean of its divisors is an integer number (227835).

2⁹⁰⁹⁴¹³ is an apocalyptic number.

It is an amenable number.

909413 is a deficient number, since it is larger than the sum of its proper divisors (1927).

909413 is a wasteful number, since it uses less digits than its factorization.

909413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1926.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 909413 is about 953.6314801851. The cubic root of 909413 is about 96.8843699574.

The spelling of 909413 in words is "nine hundred nine thousand, four hundred thirteen".