385486644 has 24 divisors (see below), whose sum is σ = 912895648. Its totient is φ = 126577440.

The previous prime is 385486631. The next prime is 385486657. The reversal of 385486644 is 446684583.

It is an interprime number because it is at equal distance from previous prime (385486631) and next prime (385486657).

It is a junction number, because it is equal to n+sod(n) for n = 385486593 and 385486602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238927 + ... + 240534.

Almost surely, 2^385486644 is an apocalyptic number.

It is an amenable number.

385486644 is an abundant number, since it is smaller than the sum of its proper divisors (527409004).

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

385486644 is a wasteful number, since it uses less digits than its factorization.

385486644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479535 (or 479533 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 48.

The square root of 385486644 is about 19633.8137915179. The cubic root of 385486644 is about 727.7850193419.

The spelling of 385486644 in words is "three hundred eighty-five million, four hundred eighty-six thousand, six hundred forty-four".