29420185 has 16 divisors (see below), whose sum is σ = 35997696. Its totient is φ = 23079168.

The previous prime is 29420179. The next prime is 29420191. The reversal of 29420185 is 58102492.

It is an interprime number because it is at equal distance from previous prime (29420179) and next prime (29420191).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29420185 is a prime.

It is a Duffinian 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, 67729 + ... + 68161.

It is an arithmetic number, because the mean of its divisors is an integer number (2249856).

Almost surely, 2^29420185 is an apocalyptic number.

It is an amenable number.

29420185 is a deficient number, since it is larger than the sum of its proper divisors (6577511).

29420185 is a wasteful number, since it uses less digits than its factorization.

29420185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 29420185 is about 5424.0377026713. The cubic root of 29420185 is about 308.7084139218.

The spelling of 29420185 in words is "twenty-nine million, four hundred twenty thousand, one hundred eighty-five".