387064542 has 32 divisors (see below), whose sum is σ = 826053120. Its totient is φ = 120553920.

The previous prime is 387064501. The next prime is 387064549. The reversal of 387064542 is 245460783.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 387064542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387064549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14934 + ... + 31577.

It is an arithmetic number, because the mean of its divisors is an integer number (25814160).

Almost surely, 2^387064542 is an apocalyptic number.

387064542 is an abundant number, since it is smaller than the sum of its proper divisors (438988578).

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

387064542 is a wasteful number, since it uses less digits than its factorization.

387064542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46608.

The product of its (nonzero) digits is 161280, while the sum is 39.

The square root of 387064542 is about 19673.9559316371. The cubic root of 387064542 is about 728.7766725652.

The spelling of 387064542 in words is "three hundred eighty-seven million, sixty-four thousand, five hundred forty-two".