384809460 has 48 divisors (see below), whose sum is σ = 1231391616. Its totient is φ = 87956352.

The previous prime is 384809459. The next prime is 384809461. The reversal of 384809460 is 64908483.

It is an interprime number because it is at equal distance from previous prime (384809459) and next prime (384809461).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384809461) 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, 457687 + ... + 458526.

It is an arithmetic number, because the mean of its divisors is an integer number (25653992).

Almost surely, 2^384809460 is an apocalyptic number.

384809460 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

384809460 is an abundant number, since it is smaller than the sum of its proper divisors (846582156).

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

384809460 is a wasteful number, since it uses less digits than its factorization.

384809460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916232 (or 916230 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 384809460 is about 19616.5608606606. The cubic root of 384809460 is about 727.3586031454.

The spelling of 384809460 in words is "three hundred eighty-four million, eight hundred nine thousand, four hundred sixty".