29023641 has 12 divisors (see below), whose sum is σ = 44389332. Its totient is φ = 18210816.

The previous prime is 29023633. The next prime is 29023669. The reversal of 29023641 is 14632092.

It can be written as a sum of positive squares in 2 ways, for example, as 21206025 + 7817616 = 4605^2 + 2796^2 .

It is not a de Polignac number, because 29023641 - 2³ = 29023633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29023541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94696 + ... + 95001.

It is an arithmetic number, because the mean of its divisors is an integer number (3699111).

Almost surely, 2^29023641 is an apocalyptic number.

It is an amenable number.

29023641 is a deficient number, since it is larger than the sum of its proper divisors (15365691).

29023641 is a wasteful number, since it uses less digits than its factorization.

29023641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189720 (or 189717 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 29023641 is about 5387.3593717145. The cubic root of 29023641 is about 307.3151456883.

The spelling of 29023641 in words is "twenty-nine million, twenty-three thousand, six hundred forty-one".