29056931 has 4 divisors (see below), whose sum is σ = 29076600. Its totient is φ = 29037264.

The previous prime is 29056913. The next prime is 29056943. The reversal of 29056931 is 13965092.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29056931 is a prime.

It is a super-2 number, since 2×29056931² = 1688610478277522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29056891 and 29056900.

It is not an unprimeable number, because it can be changed into a prime (29056901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7421 + ... + 10638.

It is an arithmetic number, because the mean of its divisors is an integer number (7269150).

Almost surely, 2^29056931 is an apocalyptic number.

29056931 is a deficient number, since it is larger than the sum of its proper divisors (19669).

29056931 is a wasteful number, since it uses less digits than its factorization.

29056931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19668.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 29056931 is about 5390.4481260838. The cubic root of 29056931 is about 307.4325972081.

The spelling of 29056931 in words is "twenty-nine million, fifty-six thousand, nine hundred thirty-one".