29490947 has 2 divisors, whose sum is σ = 29490948. Its totient is φ = 29490946.

The previous prime is 29490943. The next prime is 29490959. The reversal of 29490947 is 74909492.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 29490947 - 2² = 29490943 is a prime.

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

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 29490898 and 29490907.

It is not a weakly prime, because it can be changed into another prime (29490943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14745473 + 14745474.

It is an arithmetic number, because the mean of its divisors is an integer number (14745474).

Almost surely, 2^29490947 is an apocalyptic number.

29490947 is a deficient number, since it is larger than the sum of its proper divisors (1).

29490947 is an equidigital number, since it uses as much as digits as its factorization.

29490947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 29490947 is about 5430.5567854503. The cubic root of 29490947 is about 308.9557195759.

It can be divided in two parts, 2 and 9490947, that added together give a palindrome (9490949).

The spelling of 29490947 in words is "twenty-nine million, four hundred ninety thousand, nine hundred forty-seven".