397683000 has 512 divisors, whose sum is σ = 1635379200. Its totient is φ = 88128000.

The previous prime is 397682983. The next prime is 397683001. The reversal of 397683000 is 386793.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397683001) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3860949 + ... + 3861051.

It is an arithmetic number, because the mean of its divisors is an integer number (3194100).

Almost surely, 2^397683000 is an apocalyptic number.

397683000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 397683000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (817689600).

397683000 is an abundant number, since it is smaller than the sum of its proper divisors (1237696200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

397683000 is a wasteful number, since it uses less digits than its factorization.

397683000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 397683000 is about 19941.9908735312. The cubic root of 397683000 is about 735.3808937900.

The spelling of 397683000 in words is "three hundred ninety-seven million, six hundred eighty-three thousand".