1377426 has 16 divisors (see below), whose sum is σ = 2772864. Its totient is φ = 456144.

The previous prime is 1377421. The next prime is 1377427. The reversal of 1377426 is 6247731.

It is a junction number, because it is equal to n+sod(n) for n = 1377393 and 1377402.

It is not an unprimeable number, because it can be changed into a prime (1377421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375 + ... + 1701.

It is an arithmetic number, because the mean of its divisors is an integer number (173304).

2^1377426 is an apocalyptic number.

1377426 is an abundant number, since it is smaller than the sum of its proper divisors (1395438).

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

1377426 is a wasteful number, since it uses less digits than its factorization.

1377426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505.

The product of its digits is 7056, while the sum is 30.

The square root of 1377426 is about 1173.6379339473. The cubic root of 1377426 is about 111.2643645972.

The spelling of 1377426 in words is "one million, three hundred seventy-seven thousand, four hundred twenty-six".