1970942 has 4 divisors (see below), whose sum is σ = 2956416. Its totient is φ = 985470.

The previous prime is 1970923. The next prime is 1970957. The reversal of 1970942 is 2490791.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1970942² = 7769224734728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1970899 and 1970908.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492734 + ... + 492737.

It is an arithmetic number, because the mean of its divisors is an integer number (739104).

2^1970942 is an apocalyptic number.

1970942 is a deficient number, since it is larger than the sum of its proper divisors (985474).

1970942 is an equidigital number, since it uses as much as digits as its factorization.

1970942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985473.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 1970942 is about 1403.9024182613. The cubic root of 1970942 is about 125.3789460383.

The spelling of 1970942 in words is "one million, nine hundred seventy thousand, nine hundred forty-two".