397041843 has 8 divisors (see below), whose sum is σ = 577515456. Its totient is φ = 240631400.

The previous prime is 397041839. The next prime is 397041859. The reversal of 397041843 is 348140793.

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 397041843 - 2² = 397041839 is a prime.

It is not an unprimeable number, because it can be changed into a prime (397041943) 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, 6015753 + ... + 6015818.

It is an arithmetic number, because the mean of its divisors is an integer number (72189432).

Almost surely, 2^397041843 is an apocalyptic number.

397041843 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

397041843 is a deficient number, since it is larger than the sum of its proper divisors (180473613).

397041843 is a wasteful number, since it uses less digits than its factorization.

397041843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12031585.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 397041843 is about 19925.9088374910. The cubic root of 397041843 is about 734.9854798372.

The spelling of 397041843 in words is "three hundred ninety-seven million, forty-one thousand, eight hundred forty-three".