29942811 has 8 divisors (see below), whose sum is σ = 44359760. Its totient is φ = 19961856.

The previous prime is 29942789. The next prime is 29942837. The reversal of 29942811 is 11824992.

It is not a de Polignac number, because 29942811 - 2⁶ = 29942747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29942881) 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, 554470 + ... + 554523.

It is an arithmetic number, because the mean of its divisors is an integer number (5544970).

Almost surely, 2^29942811 is an apocalyptic number.

29942811 is a deficient number, since it is larger than the sum of its proper divisors (14416949).

29942811 is a wasteful number, since it uses less digits than its factorization.

29942811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109002 (or 1108996 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 29942811 is about 5472.0024671047. The cubic root of 29942811 is about 310.5256810890.

The spelling of 29942811 in words is "twenty-nine million, nine hundred forty-two thousand, eight hundred eleven".