29872401 has 32 divisors (see below), whose sum is σ = 44943360. Its totient is φ = 17527104.

The previous prime is 29872399. The next prime is 29872433. The reversal of 29872401 is 10427892.

It is a happy number.

It is not a de Polignac number, because 29872401 - 2¹ = 29872399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29872441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78630 + ... + 79008.

It is an arithmetic number, because the mean of its divisors is an integer number (1404480).

Almost surely, 2^29872401 is an apocalyptic number.

It is an amenable number.

29872401 is a deficient number, since it is larger than the sum of its proper divisors (15070959).

29872401 is a wasteful number, since it uses less digits than its factorization.

29872401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 29872401 is about 5465.5650211117. The cubic root of 29872401 is about 310.2820914750.

The spelling of 29872401 in words is "twenty-nine million, eight hundred seventy-two thousand, four hundred one".