397026000 has 480 divisors, whose sum is σ = 1665750528. Its totient is φ = 86169600.

The previous prime is 397025999. The next prime is 397026011. The reversal of 397026000 is 620793.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2897932 + ... + 2898068.

Almost surely, 2^397026000 is an apocalyptic number.

397026000 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 397026000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (832875264).

397026000 is an abundant number, since it is smaller than the sum of its proper divisors (1268724528).

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

397026000 is a wasteful number, since it uses less digits than its factorization.

397026000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 397026000 is about 19925.5112857864. The cubic root of 397026000 is about 734.9757037644.

Adding to 397026000 its reverse (620793), we get a palindrome (397646793).

The spelling of 397026000 in words is "three hundred ninety-seven million, twenty-six thousand".