1977914 has 16 divisors (see below), whose sum is σ = 3078240. Its totient is φ = 952560.

The previous prime is 1977863. The next prime is 1977917. The reversal of 1977914 is 4197791.

It is not an unprimeable number, because it can be changed into a prime (1977917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9269 + ... + 9479.

It is an arithmetic number, because the mean of its divisors is an integer number (192390).

2^1977914 is an apocalyptic number.

1977914 is a deficient number, since it is larger than the sum of its proper divisors (1100326).

1977914 is a wasteful number, since it uses less digits than its factorization.

1977914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365.

The product of its digits is 15876, while the sum is 38.

The square root of 1977914 is about 1406.3833047928. The cubic root of 1977914 is about 125.5266103369.

The spelling of 1977914 in words is "one million, nine hundred seventy-seven thousand, nine hundred fourteen".