397895029 has 8 divisors (see below), whose sum is σ = 454941248. Its totient is φ = 340899840.

The previous prime is 397895027. The next prime is 397895033. The reversal of 397895029 is 920598793.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 397895029 - 2¹ = 397895027 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 (397895021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5749 + ... + 28789.

It is an arithmetic number, because the mean of its divisors is an integer number (56867656).

Almost surely, 2^397895029 is an apocalyptic number.

It is an amenable number.

397895029 is a deficient number, since it is larger than the sum of its proper divisors (57046219).

397895029 is a wasteful number, since it uses less digits than its factorization.

397895029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25515.

The product of its (nonzero) digits is 1224720, while the sum is 52.

The square root of 397895029 is about 19947.3063093742. The cubic root of 397895029 is about 735.5115626672.

The spelling of 397895029 in words is "three hundred ninety-seven million, eight hundred ninety-five thousand, twenty-nine".