1962838 has 4 divisors (see below), whose sum is σ = 2944260. Its totient is φ = 981418.

The previous prime is 1962817. The next prime is 1962839. The reversal of 1962838 is 8382691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8382691 = 353 ⋅23747.

It is a junction number, because it is equal to n+sod(n) for n = 1962797 and 1962806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1962839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 490708 + ... + 490711.

It is an arithmetic number, because the mean of its divisors is an integer number (736065).

2^1962838 is an apocalyptic number.

1962838 is a deficient number, since it is larger than the sum of its proper divisors (981422).

1962838 is an equidigital number, since it uses as much as digits as its factorization.

1962838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981421.

The product of its digits is 20736, while the sum is 37.

The square root of 1962838 is about 1401.0132047914. The cubic root of 1962838 is about 125.2068681224.

Subtracting from 1962838 its sum of digits (37), we obtain a square (1962801 = 1401²).

The spelling of 1962838 in words is "one million, nine hundred sixty-two thousand, eight hundred thirty-eight".