397229011 has 8 divisors (see below), whose sum is σ = 411362064. Its totient is φ = 383341920.

The previous prime is 397228943. The next prime is 397229017. The reversal of 397229011 is 110922793.

It is a happy number.

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 397229011 - 2⁹ = 397228499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (397229017) 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, 58201 + ... + 64666.

It is an arithmetic number, because the mean of its divisors is an integer number (51420258).

Almost surely, 2^397229011 is an apocalyptic number.

397229011 is a deficient number, since it is larger than the sum of its proper divisors (14133053).

397229011 is a wasteful number, since it uses less digits than its factorization.

397229011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122981.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 397229011 is about 19930.6048829432. The cubic root of 397229011 is about 735.1009539397.

The spelling of 397229011 in words is "three hundred ninety-seven million, two hundred twenty-nine thousand, eleven".