380271738 has 64 divisors (see below), whose sum is σ = 998138880. Its totient is φ = 93571200.

The previous prime is 380271737. The next prime is 380271739. The reversal of 380271738 is 837172083.

It is an interprime number because it is at equal distance from previous prime (380271737) and next prime (380271739).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 380271696 and 380271705.

It is not an unprimeable number, because it can be changed into a prime (380271733) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 12883 + ... + 30438.

It is an arithmetic number, because the mean of its divisors is an integer number (15595920).

Almost surely, 2^380271738 is an apocalyptic number.

380271738 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

380271738 is an abundant number, since it is smaller than the sum of its proper divisors (617867142).

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

380271738 is a wasteful number, since it uses less digits than its factorization.

380271738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43363.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 380271738 is about 19500.5573766495. The cubic root of 380271738 is about 724.4882559116.

The spelling of 380271738 in words is "three hundred eighty million, two hundred seventy-one thousand, seven hundred thirty-eight".