5405629 has 8 divisors (see below), whose sum is σ = 5699160. Its totient is φ = 5119296.

The previous prime is 5405599. The next prime is 5405641. The reversal of 5405629 is 9265045.

It can be written as a sum of positive squares in 4 ways, for example, as 2839225 + 2566404 = 1685^2 + 1602^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5405629 - 2⁹ = 5405117 is a prime.

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 5405629.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5405669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222 + ... + 3295.

It is an arithmetic number, because the mean of its divisors is an integer number (712395).

Almost surely, 2^5405629 is an apocalyptic number.

It is an amenable number.

5405629 is a deficient number, since it is larger than the sum of its proper divisors (293531).

5405629 is a wasteful number, since it uses less digits than its factorization.

5405629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3599.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 5405629 is about 2325.0008602149. Note that the first 3 decimals coincide. The cubic root of 5405629 is about 175.5020034782.

The spelling of 5405629 in words is "five million, four hundred five thousand, six hundred twenty-nine".