1380619 has 2 divisors, whose sum is σ = 1380620. Its totient is φ = 1380618.

The previous prime is 1380611. The next prime is 1380623. The reversal of 1380619 is 9160831.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1380619 - 2³ = 1380611 is a prime.

It is a super-2 number, since 2×1380619² = 3812217646322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1380611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 690309 + 690310.

It is an arithmetic number, because the mean of its divisors is an integer number (690310).

2^1380619 is an apocalyptic number.

1380619 is a deficient number, since it is larger than the sum of its proper divisors (1).

1380619 is an equidigital number, since it uses as much as digits as its factorization.

1380619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1380619 is about 1174.9974468057. The cubic root of 1380619 is about 111.3502719237.

The spelling of 1380619 in words is "one million, three hundred eighty thousand, six hundred nineteen".