387490502 has 16 divisors (see below), whose sum is σ = 665586720. Its totient is φ = 165738048.

The previous prime is 387490471. The next prime is 387490507. The reversal of 387490502 is 205094783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387490507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20063 + ... + 34314.

It is an arithmetic number, because the mean of its divisors is an integer number (41599170).

Almost surely, 2^387490502 is an apocalyptic number.

387490502 is a deficient number, since it is larger than the sum of its proper divisors (278096218).

387490502 is a wasteful number, since it uses less digits than its factorization.

387490502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54895.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 387490502 is about 19684.7784341099. The cubic root of 387490502 is about 729.0439112921.

The spelling of 387490502 in words is "three hundred eighty-seven million, four hundred ninety thousand, five hundred two".