387942452 has 12 divisors (see below), whose sum is σ = 680003940. Its totient is φ = 193655616.

The previous prime is 387942427. The next prime is 387942461. The reversal of 387942452 is 254249783.

It can be written as a sum of positive squares in 2 ways, for example, as 83649316 + 304293136 = 9146^2 + 17444^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76127 + ... + 81062.

It is an arithmetic number, because the mean of its divisors is an integer number (56666995).

Almost surely, 2^387942452 is an apocalyptic number.

It is an amenable number.

387942452 is a deficient number, since it is larger than the sum of its proper divisors (292061488).

387942452 is a wasteful number, since it uses less digits than its factorization.

387942452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157810 (or 157808 counting only the distinct ones).

The product of its digits is 483840, while the sum is 44.

The square root of 387942452 is about 19696.2547708949. The cubic root of 387942452 is about 729.3272415725.

The spelling of 387942452 in words is "three hundred eighty-seven million, nine hundred forty-two thousand, four hundred fifty-two".