29129290 has 8 divisors (see below), whose sum is σ = 52432740. Its totient is φ = 11651712.

The previous prime is 29129281. The next prime is 29129333. The reversal of 29129290 is 9292192.

It can be written as a sum of positive squares in 2 ways, for example, as 29127609 + 1681 = 5397^2 + 41^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1456455 + ... + 1456474.

Almost surely, 2^29129290 is an apocalyptic number.

29129290 is a deficient number, since it is larger than the sum of its proper divisors (23303450).

29129290 is a wasteful number, since it uses less digits than its factorization.

29129290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2912936.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 29129290 is about 5397.1557324205. The cubic root of 29129290 is about 307.6875802639.

The spelling of 29129290 in words is "twenty-nine million, one hundred twenty-nine thousand, two hundred ninety".