397854046 has 8 divisors (see below), whose sum is σ = 622728144. Its totient is φ = 190278000.

The previous prime is 397854019. The next prime is 397854059. The reversal of 397854046 is 640458793.

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

It is a Harshad number since it is a multiple of its sum of digits (46), and also a Moran number because the ratio is a prime number: 8649001 = 397854046 / (3 + 9 + 7 + 8 + 5 + 4 + 0 + 4 + 6).

It is a junction number, because it is equal to n+sod(n) for n = 397853987 and 397854005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4324455 + ... + 4324546.

It is an arithmetic number, because the mean of its divisors is an integer number (77841018).

Almost surely, 2^397854046 is an apocalyptic number.

397854046 is a deficient number, since it is larger than the sum of its proper divisors (224874098).

397854046 is a wasteful number, since it uses less digits than its factorization.

397854046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8649026.

The product of its (nonzero) digits is 725760, while the sum is 46.

The square root of 397854046 is about 19946.2790013576. The cubic root of 397854046 is about 735.4863093523.

The spelling of 397854046 in words is "three hundred ninety-seven million, eight hundred fifty-four thousand, forty-six".