1979492 has 6 divisors (see below), whose sum is σ = 3464118. Its totient is φ = 989744.

The previous prime is 1979491. The next prime is 1979507. The reversal of 1979492 is 2949791.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1577536 + 401956 = 1256^2 + 634^2 .

It is not an unprimeable number, because it can be changed into a prime (1979491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247433 + ... + 247440.

It is an arithmetic number, because the mean of its divisors is an integer number (577353).

2^1979492 is an apocalyptic number.

It is an amenable number.

1979492 is a deficient number, since it is larger than the sum of its proper divisors (1484626).

1979492 is a wasteful number, since it uses less digits than its factorization.

1979492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494877 (or 494875 counting only the distinct ones).

The product of its digits is 40824, while the sum is 41.

The square root of 1979492 is about 1406.9442064275. The cubic root of 1979492 is about 125.5599836008.

Subtracting 1979492 from its reverse (2949791), we obtain a cube (970299 = 99³).

The spelling of 1979492 in words is "one million, nine hundred seventy-nine thousand, four hundred ninety-two".