1380343684 has 6 divisors (see below), whose sum is σ = 2415601454. Its totient is φ = 690171840.

The previous prime is 1380343681. The next prime is 1380343687. The reversal of 1380343684 is 4863430831.

It is an interprime number because it is at equal distance from previous prime (1380343681) and next prime (1380343687).

It can be written as a sum of positive squares in only one way, i.e., 1278777600 + 101566084 = 35760^2 + 10078^2 .

It is not an unprimeable number, because it can be changed into a prime (1380343681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172542957 + ... + 172542964.

Almost surely, 2^1380343684 is an apocalyptic number.

It is an amenable number.

1380343684 is a deficient number, since it is larger than the sum of its proper divisors (1035257770).

1380343684 is a wasteful number, since it uses less digits than its factorization.

1380343684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345085925 (or 345085923 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 40.

The square root of 1380343684 is about 37152.9767851783. The cubic root of 1380343684 is about 1113.4286979717.

The spelling of 1380343684 in words is "one billion, three hundred eighty million, three hundred forty-three thousand, six hundred eighty-four".