385544744 has 16 divisors (see below), whose sum is σ = 778504020. Its totient is φ = 177943680.

The previous prime is 385544701. The next prime is 385544749. The reversal of 385544744 is 447445583.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 346332100 + 39212644 = 18610^2 + 6262^2 .

It is a super-3 number, since 3×385544744³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 385544695 and 385544704.

It is not an unprimeable number, because it can be changed into a prime (385544749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1853477 + ... + 1853684.

Almost surely, 2^385544744 is an apocalyptic number.

It is an amenable number.

385544744 is an abundant number, since it is smaller than the sum of its proper divisors (392959276).

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

385544744 is a wasteful number, since it uses less digits than its factorization.

385544744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3707180 (or 3707176 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 44.

The square root of 385544744 is about 19635.2933260494. The cubic root of 385544744 is about 727.8215810803.

The spelling of 385544744 in words is "three hundred eighty-five million, five hundred forty-four thousand, seven hundred forty-four".