1379735 has 16 divisors (see below), whose sum is σ = 1920000. Its totient is φ = 932256.

The previous prime is 1379699. The next prime is 1379753. The reversal of 1379735 is 5379731.

1379735 = T₁₄₆ + T₁₄₇ + ... + T₂₂₄.

It is a cyclic number.

It is not a de Polignac number, because 1379735 - 2¹² = 1375639 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1379695 and 1379704.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2516 + ... + 3014.

It is an arithmetic number, because the mean of its divisors is an integer number (120000).

2^1379735 is an apocalyptic number.

1379735 is a deficient number, since it is larger than the sum of its proper divisors (540265).

1379735 is an equidigital number, since it uses as much as digits as its factorization.

1379735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590.

The product of its digits is 19845, while the sum is 35.

The square root of 1379735 is about 1174.6212155414. The cubic root of 1379735 is about 111.3265012680.

The spelling of 1379735 in words is "one million, three hundred seventy-nine thousand, seven hundred thirty-five".