397029543 has 16 divisors (see below), whose sum is σ = 561175776. Its totient is φ = 248821760.

The previous prime is 397029533. The next prime is 397029551. The reversal of 397029543 is 345920793.

It is a cyclic number.

It is not a de Polignac number, because 397029543 - 2¹³ = 397021351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 397029495 and 397029504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397029533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43855 + ... + 52127.

It is an arithmetic number, because the mean of its divisors is an integer number (35073486).

Almost surely, 2^397029543 is an apocalyptic number.

397029543 is a deficient number, since it is larger than the sum of its proper divisors (164146233).

397029543 is a wasteful number, since it uses less digits than its factorization.

397029543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9234.

The product of its (nonzero) digits is 204120, while the sum is 42.

The square root of 397029543 is about 19925.6001917132. The cubic root of 397029543 is about 734.9778900286.

The spelling of 397029543 in words is "three hundred ninety-seven million, twenty-nine thousand, five hundred forty-three".