387772400 has 30 divisors (see below), whose sum is σ = 931624152. Its totient is φ = 155108800.

The previous prime is 387772391. The next prime is 387772403. The reversal of 387772400 is 4277783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387772403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 484316 + ... + 485115.

Almost surely, 2^387772400 is an apocalyptic number.

It is an amenable number.

387772400 is an abundant number, since it is smaller than the sum of its proper divisors (543851752).

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

387772400 is a wasteful number, since it uses less digits than its factorization.

387772400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969449 (or 969438 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 38.

The square root of 387772400 is about 19691.9374364231. The cubic root of 387772400 is about 729.2206607455.

The spelling of 387772400 in words is "three hundred eighty-seven million, seven hundred seventy-two thousand, four hundred".