381073400 has 24 divisors (see below), whose sum is σ = 885996120. Its totient is φ = 152429280.

The previous prime is 381073387. The next prime is 381073417. The reversal of 381073400 is 4370183.

It is a self number, because there is not a number n which added to its sum of digits gives 381073400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 952484 + ... + 952883.

It is an arithmetic number, because the mean of its divisors is an integer number (36916505).

Almost surely, 2^381073400 is an apocalyptic number.

It is an amenable number.

381073400 is an abundant number, since it is smaller than the sum of its proper divisors (504922720).

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

381073400 is a wasteful number, since it uses less digits than its factorization.

381073400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1905383 (or 1905374 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 381073400 is about 19521.1014033532. The cubic root of 381073400 is about 724.9970035548.

The spelling of 381073400 in words is "three hundred eighty-one million, seventy-three thousand, four hundred".