380620436 has 18 divisors (see below), whose sum is σ = 774834858. Its totient is φ = 163122960.

The previous prime is 380620433. The next prime is 380620439. The reversal of 380620436 is 634026083.

It is an interprime number because it is at equal distance from previous prime (380620433) and next prime (380620439).

It can be written as a sum of positive squares in only one way, i.e., 375972100 + 4648336 = 19390^2 + 2156^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380620433) 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 5 ways as a sum of consecutive naturals, for example, 970775 + ... + 971166.

It is an arithmetic number, because the mean of its divisors is an integer number (43046381).

Almost surely, 2^380620436 is an apocalyptic number.

It is an amenable number.

380620436 is an abundant number, since it is smaller than the sum of its proper divisors (394214422).

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

380620436 is a wasteful number, since it uses less digits than its factorization.

380620436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1941959 (or 1941950 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 380620436 is about 19509.4960467973. The cubic root of 380620436 is about 724.7096330678.

It can be divided in two parts, 3806 and 20436, that added together give a palindrome (24242).

The spelling of 380620436 in words is "three hundred eighty million, six hundred twenty thousand, four hundred thirty-six".