385474835 has 4 divisors (see below), whose sum is σ = 462569808. Its totient is φ = 308379864.

The previous prime is 385474823. The next prime is 385474841. The reversal of 385474835 is 538474583.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 538474583 = 131 ⋅4110493.

It is a cyclic number.

It is not a de Polignac number, because 385474835 - 2¹² = 385470739 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 385474835.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38547479 + ... + 38547488.

It is an arithmetic number, because the mean of its divisors is an integer number (115642452).

Almost surely, 2^385474835 is an apocalyptic number.

385474835 is a deficient number, since it is larger than the sum of its proper divisors (77094973).

385474835 is an equidigital number, since it uses as much as digits as its factorization.

385474835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77094972.

The product of its digits is 1612800, while the sum is 47.

The square root of 385474835 is about 19633.5130580342. The cubic root of 385474835 is about 727.7775876092. Note that the first 3 decimals are identical.

The spelling of 385474835 in words is "three hundred eighty-five million, four hundred seventy-four thousand, eight hundred thirty-five".