381553414 has 24 divisors (see below), whose sum is σ = 639427824. Its totient is φ = 170583600.

The previous prime is 381553411. The next prime is 381553429. The reversal of 381553414 is 414355183.

It is a self number, because there is not a number n which added to its sum of digits gives 381553414.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381553411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1839 + ... + 27685.

It is an arithmetic number, because the mean of its divisors is an integer number (26642826).

Almost surely, 2^381553414 is an apocalyptic number.

381553414 is a deficient number, since it is larger than the sum of its proper divisors (257874410).

381553414 is a wasteful number, since it uses less digits than its factorization.

381553414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25932 (or 25921 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

The square root of 381553414 is about 19533.3922809122. The cubic root of 381553414 is about 725.3012867474.

The spelling of 381553414 in words is "three hundred eighty-one million, five hundred fifty-three thousand, four hundred fourteen".