1380746 has 8 divisors (see below), whose sum is σ = 2094660. Its totient is φ = 682528.

The previous prime is 1380727. The next prime is 1380763. The reversal of 1380746 is 6470831.

It can be written as a sum of positive squares in 2 ways, for example, as 1380625 + 121 = 1175^2 + 11^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3701 + ... + 4056.

2^1380746 is an apocalyptic number.

1380746 is a deficient number, since it is larger than the sum of its proper divisors (713914).

1380746 is an equidigital number, since it uses as much as digits as its factorization.

1380746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7848.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 1380746 is about 1175.0514882336. The cubic root of 1380746 is about 111.3536861050.

The spelling of 1380746 in words is "one million, three hundred eighty thousand, seven hundred forty-six".