387049144 has 8 divisors (see below), whose sum is σ = 725717160. Its totient is φ = 193524568.

The previous prime is 387049127. The next prime is 387049147. The reversal of 387049144 is 441940783.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×387049144² = 299614079742265472, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 387049097 and 387049106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387049147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24190564 + ... + 24190579.

It is an arithmetic number, because the mean of its divisors is an integer number (90714645).

Almost surely, 2^387049144 is an apocalyptic number.

It is an amenable number.

387049144 is a deficient number, since it is larger than the sum of its proper divisors (338668016).

387049144 is a wasteful number, since it uses less digits than its factorization.

387049144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48381149 (or 48381145 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 387049144 is about 19673.5645982115. The cubic root of 387049144 is about 728.7670084991.

The spelling of 387049144 in words is "three hundred eighty-seven million, forty-nine thousand, one hundred forty-four".