1396942 has 4 divisors (see below), whose sum is σ = 2095416. Its totient is φ = 698470.

The previous prime is 1396939. The next prime is 1396949. The reversal of 1396942 is 2496931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2496931 = 223 ⋅11197.

It is a junction number, because it is equal to n+sod(n) for n = 1396898 and 1396907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1396949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349234 + ... + 349237.

It is an arithmetic number, because the mean of its divisors is an integer number (523854).

2^1396942 is an apocalyptic number.

1396942 is a deficient number, since it is larger than the sum of its proper divisors (698474).

1396942 is an equidigital number, since it uses as much as digits as its factorization.

1396942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698473.

The product of its digits is 11664, while the sum is 34.

The square root of 1396942 is about 1181.9230093369. The cubic root of 1396942 is about 111.7873836227.

The spelling of 1396942 in words is "one million, three hundred ninety-six thousand, nine hundred forty-two".