1339961 has 8 divisors (see below), whose sum is σ = 1546560. Its totient is φ = 1137168.

The previous prime is 1339951. The next prime is 1339969. The reversal of 1339961 is 1699331.

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

It is a cyclic number.

It is not a de Polignac number, because 1339961 - 2¹⁴ = 1323577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1339969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146 + ... + 1643.

It is an arithmetic number, because the mean of its divisors is an integer number (193320).

2^1339961 is an apocalyptic number.

It is an amenable number.

1339961 is a deficient number, since it is larger than the sum of its proper divisors (206599).

1339961 is a wasteful number, since it uses less digits than its factorization.

1339961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1903.

The product of its digits is 4374, while the sum is 32.

The square root of 1339961 is about 1157.5668447222. The cubic root of 1339961 is about 110.2463075705.

The spelling of 1339961 in words is "one million, three hundred thirty-nine thousand, nine hundred sixty-one".