385241970 has 32 divisors (see below), whose sum is σ = 933071040. Its totient is φ = 101787840.

The previous prime is 385241959. The next prime is 385241993. The reversal of 385241970 is 79142583.

It is a super-2 number, since 2×385241970² = 296822750898961800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55636 + ... + 62175.

It is an arithmetic number, because the mean of its divisors is an integer number (29158470).

Almost surely, 2^385241970 is an apocalyptic number.

385241970 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

385241970 is an abundant number, since it is smaller than the sum of its proper divisors (547829070).

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

385241970 is a wasteful number, since it uses less digits than its factorization.

385241970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117930.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 385241970 is about 19627.5818683810. The cubic root of 385241970 is about 727.6310081611.

The spelling of 385241970 in words is "three hundred eighty-five million, two hundred forty-one thousand, nine hundred seventy".