397876050 has 288 divisors, whose sum is σ = 1308041280. Its totient is φ = 88646400.

The previous prime is 397876043. The next prime is 397876069. The reversal of 397876050 is 50678793.

It is a happy number.

397876050 is a `hidden beast` number, since 39 + 7 + 8 + 7 + 605 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 397875987 and 397876005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1737336 + ... + 1737564.

It is an arithmetic number, because the mean of its divisors is an integer number (4541810).

Almost surely, 2^397876050 is an apocalyptic number.

397876050 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 397876050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (654020640).

397876050 is an abundant number, since it is smaller than the sum of its proper divisors (910165230).

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

397876050 is a wasteful number, since it uses less digits than its factorization.

397876050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 397876050 is about 19946.8305753069. The cubic root of 397876050 is about 735.4998682127.

The spelling of 397876050 in words is "three hundred ninety-seven million, eight hundred seventy-six thousand, fifty".