387477122 has 18 divisors (see below), whose sum is σ = 601909929. Its totient is φ = 187071360.

The previous prime is 387477121. The next prime is 387477137. The reversal of 387477122 is 221774783.

It can be written as a sum of positive squares in 2 ways, for example, as 382632721 + 4844401 = 19561^2 + 2201^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=13919.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 387477122.

It is not an unprimeable number, because it can be changed into a prime (387477121) 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 8 ways as a sum of consecutive naturals, for example, 862754 + ... + 863202.

Almost surely, 2^387477122 is an apocalyptic number.

387477122 is a deficient number, since it is larger than the sum of its proper divisors (214432807).

387477122 is an frugal number, since it uses more digits than its factorization.

387477122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962 (or 482 counting only the distinct ones).

The product of its digits is 131712, while the sum is 41.

The square root of 387477122 is about 19684.4385746711. The cubic root of 387477122 is about 729.0355199296.

The spelling of 387477122 in words is "three hundred eighty-seven million, four hundred seventy-seven thousand, one hundred twenty-two".