387990350 has 24 divisors (see below), whose sum is σ = 787268808. Its totient is φ = 141087200.

The previous prime is 387990331. The next prime is 387990373. The reversal of 387990350 is 53099783.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 352169 + ... + 353268.

It is an arithmetic number, because the mean of its divisors is an integer number (32802867).

Almost surely, 2^387990350 is an apocalyptic number.

387990350 is an abundant number, since it is smaller than the sum of its proper divisors (399278458).

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

387990350 is a wasteful number, since it uses less digits than its factorization.

387990350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705460 (or 705455 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 387990350 is about 19697.4706498068. The cubic root of 387990350 is about 729.3572562293.

The spelling of 387990350 in words is "three hundred eighty-seven million, nine hundred ninety thousand, three hundred fifty".