29406401 has 4 divisors (see below), whose sum is σ = 29736900. Its totient is φ = 29075904.

The previous prime is 29406373. The next prime is 29406409. The reversal of 29406401 is 10460492.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11122225 + 18284176 = 3335^2 + 4276^2 .

It is a cyclic number.

It is not a de Polignac number, because 29406401 - 2²² = 25212097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29406409) 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, 165116 + ... + 165293.

It is an arithmetic number, because the mean of its divisors is an integer number (7434225).

Almost surely, 2^29406401 is an apocalyptic number.

It is an amenable number.

29406401 is a deficient number, since it is larger than the sum of its proper divisors (330499).

29406401 is an equidigital number, since it uses as much as digits as its factorization.

29406401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330498.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 29406401 is about 5422.7669136705. The cubic root of 29406401 is about 308.6601941762.

Adding to 29406401 its reverse (10460492), we get a palindrome (39866893).

The spelling of 29406401 in words is "twenty-nine million, four hundred six thousand, four hundred one".