387798260 has 12 divisors (see below), whose sum is σ = 814376388. Its totient is φ = 155119296.

The previous prime is 387798253. The next prime is 387798283. The reversal of 387798260 is 62897783.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 241243024 + 146555236 = 15532^2 + 12106^2 .

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 387798199 and 387798208.

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, 9694937 + ... + 9694976.

It is an arithmetic number, because the mean of its divisors is an integer number (67864699).

Almost surely, 2^387798260 is an apocalyptic number.

It is an amenable number.

387798260 is an abundant number, since it is smaller than the sum of its proper divisors (426578128).

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

387798260 is a wasteful number, since it uses less digits than its factorization.

387798260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19389922 (or 19389920 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 50.

The square root of 387798260 is about 19692.5940393845. The cubic root of 387798260 is about 729.2368706211.

The spelling of 387798260 in words is "three hundred eighty-seven million, seven hundred ninety-eight thousand, two hundred sixty".