1385611948 has 12 divisors (see below), whose sum is σ = 2771223952. Its totient is φ = 593833680.

The previous prime is 1385611937. The next prime is 1385611949. The reversal of 1385611948 is 8491165831.

1385611948 is an admirable number.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1385611898 and 1385611907.

It is not an unprimeable number, because it can be changed into a prime (1385611949) 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, 24743043 + ... + 24743098.

Almost surely, 2^1385611948 is an apocalyptic number.

It is an amenable number.

1385611948 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1385611948 is a wasteful number, since it uses less digits than its factorization.

1385611948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49486152 (or 49486150 counting only the distinct ones).

The product of its digits is 207360, while the sum is 46.

The square root of 1385611948 is about 37223.8088862491. The cubic root of 1385611948 is about 1114.8434155761.

The spelling of 1385611948 in words is "one billion, three hundred eighty-five million, six hundred eleven thousand, nine hundred forty-eight".