1383693740 has 48 divisors (see below), whose sum is σ = 3413763360. Its totient is φ = 464455680.

The previous prime is 1383693739. The next prime is 1383693743. The reversal of 1383693740 is 473963831.

It is a super-2 number, since 2×1383693740² = 3829216732230375200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 1383693691 and 1383693700.

It is not an unprimeable number, because it can be changed into a prime (1383693743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239045 + ... + 244764.

It is an arithmetic number, because the mean of its divisors is an integer number (71120070).

Almost surely, 2^1383693740 is an apocalyptic number.

1383693740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1383693740 is an abundant number, since it is smaller than the sum of its proper divisors (2030069620).

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

1383693740 is a wasteful number, since it uses less digits than its factorization.

1383693740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483842 (or 483840 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 44.

The square root of 1383693740 is about 37198.0340878386. The cubic root of 1383693740 is about 1114.3287238181.

The spelling of 1383693740 in words is "one billion, three hundred eighty-three million, six hundred ninety-three thousand, seven hundred forty".