1369641 has 32 divisors (see below), whose sum is σ = 2338560. Its totient is φ = 693504.

The previous prime is 1369619. The next prime is 1369651. The reversal of 1369641 is 1469631.

1369641 = T₂₉ + T₃₀ + ... + T₂₀₁.

It is not a de Polignac number, because 1369641 - 2¹⁰ = 1368617 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1369599 and 1369608.

It is not an unprimeable number, because it can be changed into a prime (1369651) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7831 + ... + 8003.

It is an arithmetic number, because the mean of its divisors is an integer number (73080).

2^1369641 is an apocalyptic number.

It is an amenable number.

1369641 is a deficient number, since it is larger than the sum of its proper divisors (968919).

1369641 is a wasteful number, since it uses less digits than its factorization.

1369641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225.

The product of its digits is 3888, while the sum is 30.

The square root of 1369641 is about 1170.3166238245. The cubic root of 1369641 is about 111.0543520847.

The spelling of 1369641 in words is "one million, three hundred sixty-nine thousand, six hundred forty-one".