29798397 has 6 divisors (see below), whose sum is σ = 43042142. Its totient is φ = 19865592.

The previous prime is 29798389. The next prime is 29798401. The reversal of 29798397 is 79389792.

It can be written as a sum of positive squares in only one way, i.e., 27154521 + 2643876 = 5211^2 + 1626^2 .

It is not a de Polignac number, because 29798397 - 2³ = 29798389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29791397) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1655458 + ... + 1655475.

Almost surely, 2^29798397 is an apocalyptic number.

It is an amenable number.

29798397 is a deficient number, since it is larger than the sum of its proper divisors (13243745).

29798397 is a wasteful number, since it uses less digits than its factorization.

29798397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3310939 (or 3310936 counting only the distinct ones).

The product of its digits is 1714608, while the sum is 54.

The square root of 29798397 is about 5458.7908001681. The cubic root of 29798397 is about 310.0256551782.

The spelling of 29798397 in words is "twenty-nine million, seven hundred ninety-eight thousand, three hundred ninety-seven".