384343090 has 32 divisors (see below), whose sum is σ = 717050880. Its totient is φ = 148150464.

The previous prime is 384343081. The next prime is 384343117. The reversal of 384343090 is 90343483.

It is a super-2 number, since 2×384343090² = 295439221661496200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209919 + ... + 211741.

It is an arithmetic number, because the mean of its divisors is an integer number (22407840).

Almost surely, 2^384343090 is an apocalyptic number.

384343090 is a deficient number, since it is larger than the sum of its proper divisors (332707790).

384343090 is a wasteful number, since it uses less digits than its factorization.

384343090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2586.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 384343090 is about 19604.6701068903. The cubic root of 384343090 is about 727.0646434953.

The spelling of 384343090 in words is "three hundred eighty-four million, three hundred forty-three thousand, ninety".