29950905 has 16 divisors (see below), whose sum is σ = 48371904. Its totient is φ = 15823680.

The previous prime is 29950861. The next prime is 29950913. The reversal of 29950905 is 50905992.

It is not a de Polignac number, because 29950905 - 2⁶ = 29950841 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7726 + ... + 10935.

It is an arithmetic number, because the mean of its divisors is an integer number (3023244).

Almost surely, 2^29950905 is an apocalyptic number.

It is an amenable number.

29950905 is a deficient number, since it is larger than the sum of its proper divisors (18420999).

29950905 is a wasteful number, since it uses less digits than its factorization.

29950905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18776.

The product of its (nonzero) digits is 36450, while the sum is 39.

The square root of 29950905 is about 5472.7420001312. The cubic root of 29950905 is about 310.5536585160.

The spelling of 29950905 in words is "twenty-nine million, nine hundred fifty thousand, nine hundred five".