387430424 has 32 divisors (see below), whose sum is σ = 742044240. Its totient is φ = 189571200.

The previous prime is 387430399. The next prime is 387430429. The reversal of 387430424 is 424034783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387430429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207254 + ... + 209114.

Almost surely, 2^387430424 is an apocalyptic number.

It is an amenable number.

387430424 is a deficient number, since it is larger than the sum of its proper divisors (354613816).

387430424 is a wasteful number, since it uses less digits than its factorization.

387430424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2411 (or 2407 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 35.

The square root of 387430424 is about 19683.2523735281. The cubic root of 387430424 is about 729.0062314318.

The spelling of 387430424 in words is "three hundred eighty-seven million, four hundred thirty thousand, four hundred twenty-four".