338955390 has 48 divisors (see below), whose sum is σ = 882260496. Its totient is φ = 90288000.

The previous prime is 338955389. The next prime is 338955437. The reversal of 338955390 is 93559833.

338955390 is a `hidden beast` number, since 3 + 3 + 8 + 9 + 553 + 90 = 666.

It is a super-2 number, since 2×338955390² = 229781512820104200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117465 + ... + 120315.

It is an arithmetic number, because the mean of its divisors is an integer number (18380427).

Almost surely, 2^338955390 is an apocalyptic number.

338955390 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

338955390 is an abundant number, since it is smaller than the sum of its proper divisors (543305106).

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

338955390 is a wasteful number, since it uses less digits than its factorization.

338955390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4185 (or 4182 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 45.

The square root of 338955390 is about 18410.7411583564. The cubic root of 338955390 is about 697.2376783632.

The spelling of 338955390 in words is "three hundred thirty-eight million, nine hundred fifty-five thousand, three hundred ninety".