29661090 has 64 divisors (see below), whose sum is σ = 79367040. Its totient is φ = 7050240.

The previous prime is 29661083. The next prime is 29661127. The reversal of 29661090 is 9016692.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8160 + ... + 11220.

It is an arithmetic number, because the mean of its divisors is an integer number (1240110).

Almost surely, 2^29661090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29661090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39683520).

29661090 is an abundant number, since it is smaller than the sum of its proper divisors (49705950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29661090 is a wasteful number, since it uses less digits than its factorization.

29661090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3107.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 29661090 is about 5446.1995923763. The cubic root of 29661090 is about 309.5487364127.

The spelling of 29661090 in words is "twenty-nine million, six hundred sixty-one thousand, ninety".