1977412 has 6 divisors (see below), whose sum is σ = 3460478. Its totient is φ = 988704.

The previous prime is 1977407. The next prime is 1977427. The reversal of 1977412 is 2147791.

It can be written as a sum of positive squares in only one way, i.e., 1976836 + 576 = 1406^2 + 24^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247173 + ... + 247180.

2^1977412 is an apocalyptic number.

It is an amenable number.

1977412 is a deficient number, since it is larger than the sum of its proper divisors (1483066).

1977412 is a wasteful number, since it uses less digits than its factorization.

1977412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494357 (or 494355 counting only the distinct ones).

The product of its digits is 3528, while the sum is 31.

The square root of 1977412 is about 1406.2048214965. The cubic root of 1977412 is about 125.5159897723.

The spelling of 1977412 in words is "one million, nine hundred seventy-seven thousand, four hundred twelve".