29423997 has 12 divisors (see below), whose sum is σ = 43490304. Its totient is φ = 19159560.

The previous prime is 29423993. The next prime is 29424001. The reversal of 29423997 is 79932492.

It is an interprime number because it is at equal distance from previous prime (29423993) and next prime (29424001).

It is not a de Polignac number, because 29423997 - 2² = 29423993 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29423993) 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, 37629 + ... + 38402.

It is an arithmetic number, because the mean of its divisors is an integer number (3624192).

Almost surely, 2^29423997 is an apocalyptic number.

It is an amenable number.

29423997 is a deficient number, since it is larger than the sum of its proper divisors (14066307).

29423997 is a wasteful number, since it uses less digits than its factorization.

29423997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76080 (or 76077 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 29423997 is about 5424.3890900266. The cubic root of 29423997 is about 308.7217465555.

The spelling of 29423997 in words is "twenty-nine million, four hundred twenty-three thousand, nine hundred ninety-seven".