380957949 has 12 divisors (see below), whose sum is σ = 569247900. Its totient is φ = 245214144.

The previous prime is 380957939. The next prime is 380957959. The reversal of 380957949 is 949759083.

It is an interprime number because it is at equal distance from previous prime (380957939) and next prime (380957959).

It can be written as a sum of positive squares in 2 ways, for example, as 198302724 + 182655225 = 14082^2 + 13515^2 .

It is not a de Polignac number, because 380957949 - 2⁷ = 380957821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 380957895 and 380957904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380957909) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 729544 + ... + 730065.

It is an arithmetic number, because the mean of its divisors is an integer number (47437325).

Almost surely, 2^380957949 is an apocalyptic number.

It is an amenable number.

380957949 is a deficient number, since it is larger than the sum of its proper divisors (188289951).

380957949 is a wasteful number, since it uses less digits than its factorization.

380957949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459644 (or 1459641 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 54.

The square root of 380957949 is about 19518.1440972240. The cubic root of 380957949 is about 724.9237804930.

The spelling of 380957949 in words is "three hundred eighty million, nine hundred fifty-seven thousand, nine hundred forty-nine".