29458945 has 4 divisors (see below), whose sum is σ = 35350740. Its totient is φ = 23567152.

The previous prime is 29458921. The next prime is 29458981. The reversal of 29458945 is 54985492.

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 15968016 + 13490929 = 3996^2 + 3673^2 .

It is a cyclic number.

It is not a de Polignac number, because 29458945 - 2²¹ = 27361793 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 29458895 and 29458904.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2945890 + ... + 2945899.

It is an arithmetic number, because the mean of its divisors is an integer number (8837685).

Almost surely, 2^29458945 is an apocalyptic number.

It is an amenable number.

29458945 is a deficient number, since it is larger than the sum of its proper divisors (5891795).

29458945 is an equidigital number, since it uses as much as digits as its factorization.

29458945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5891794.

The product of its digits is 518400, while the sum is 46.

The square root of 29458945 is about 5427.6095106409. The cubic root of 29458945 is about 308.8439250484.

It can be divided in two parts, 29458 and 945, that added together give a palindrome (30403).

The spelling of 29458945 in words is "twenty-nine million, four hundred fifty-eight thousand, nine hundred forty-five".