397805435 has 8 divisors (see below), whose sum is σ = 485457840. Its totient is φ = 312850144.

The previous prime is 397805431. The next prime is 397805437. The reversal of 397805435 is 534508793.

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 397805435 - 2² = 397805431 is a prime.

It is not an unprimeable number, because it can be changed into a prime (397805431) 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, 673952 + ... + 674541.

It is an arithmetic number, because the mean of its divisors is an integer number (60682230).

Almost surely, 2^397805435 is an apocalyptic number.

397805435 is a deficient number, since it is larger than the sum of its proper divisors (87652405).

397805435 is a wasteful number, since it uses less digits than its factorization.

397805435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348557.

The product of its (nonzero) digits is 453600, while the sum is 44.

The square root of 397805435 is about 19945.0604160529. The cubic root of 397805435 is about 735.4563534916.

The spelling of 397805435 in words is "three hundred ninety-seven million, eight hundred five thousand, four hundred thirty-five".