29409413 has 12 divisors (see below), whose sum is σ = 33204780. Its totient is φ = 26009280.

The previous prime is 29409389. The next prime is 29409461. The reversal of 29409413 is 31490492.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 26388769 + 3020644 = 5137^2 + 1738^2 .

It is not a de Polignac number, because 29409413 - 2⁶ = 29409349 is a prime.

It is a super-3 number, since 3×29409413³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29409413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29409313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1193 + ... + 7761.

It is an arithmetic number, because the mean of its divisors is an integer number (2767065).

Almost surely, 2^29409413 is an apocalyptic number.

It is an amenable number.

29409413 is a deficient number, since it is larger than the sum of its proper divisors (3795367).

29409413 is a wasteful number, since it uses less digits than its factorization.

29409413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6628 (or 6617 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 29409413 is about 5423.0446245628. The cubic root of 29409413 is about 308.6707321626.

The spelling of 29409413 in words is "twenty-nine million, four hundred nine thousand, four hundred thirteen".