29897146 has 16 divisors (see below), whose sum is σ = 47698560. Its totient is φ = 14014080.

The previous prime is 29897143. The next prime is 29897149. The reversal of 29897146 is 64179892.

It is an interprime number because it is at equal distance from previous prime (29897143) and next prime (29897149).

It is a junction number, because it is equal to n+sod(n) for n = 29897096 and 29897105.

It is not an unprimeable number, because it can be changed into a prime (29897143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370 + ... + 7741.

It is an arithmetic number, because the mean of its divisors is an integer number (2981160).

Almost surely, 2^29897146 is an apocalyptic number.

29897146 is a deficient number, since it is larger than the sum of its proper divisors (17801414).

29897146 is a wasteful number, since it uses less digits than its factorization.

29897146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8229.

The product of its digits is 217728, while the sum is 46.

The square root of 29897146 is about 5467.8282708951. The cubic root of 29897146 is about 310.3677425671.

The spelling of 29897146 in words is "twenty-nine million, eight hundred ninety-seven thousand, one hundred forty-six".