387253380 has 24 divisors (see below), whose sum is σ = 1084309632. Its totient is φ = 103267552.

The previous prime is 387253297. The next prime is 387253381. The reversal of 387253380 is 83352783.

It is not an unprimeable number, because it can be changed into a prime (387253381) 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, 3227052 + ... + 3227171.

It is an arithmetic number, because the mean of its divisors is an integer number (45179568).

Almost surely, 2^387253380 is an apocalyptic number.

387253380 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

387253380 is an abundant number, since it is smaller than the sum of its proper divisors (697056252).

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

387253380 is a wasteful number, since it uses less digits than its factorization.

387253380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6454235 (or 6454233 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 387253380 is about 19678.7545337605. The cubic root of 387253380 is about 728.8951699044.

The spelling of 387253380 in words is "three hundred eighty-seven million, two hundred fifty-three thousand, three hundred eighty".