29390361 has 32 divisors (see below), whose sum is σ = 52620288. Its totient is φ = 14091840.

The previous prime is 29390353. The next prime is 29390363. The reversal of 29390361 is 16309392.

It is not a de Polignac number, because 29390361 - 2³ = 29390353 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (29390363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1891 + ... + 7896.

It is an arithmetic number, because the mean of its divisors is an integer number (1644384).

Almost surely, 2^29390361 is an apocalyptic number.

29390361 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

29390361 is a deficient number, since it is larger than the sum of its proper divisors (23229927).

29390361 is a wasteful number, since it uses less digits than its factorization.

29390361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9821.

The product of its (nonzero) digits is 8748, while the sum is 33.

The square root of 29390361 is about 5421.2877621466. The cubic root of 29390361 is about 308.6040634269.

The spelling of 29390361 in words is "twenty-nine million, three hundred ninety thousand, three hundred sixty-one".