1377968 has 20 divisors (see below), whose sum is σ = 2709648. Its totient is φ = 678720.

The previous prime is 1377967. The next prime is 1377973. The reversal of 1377968 is 8697731.

1377968 = T₄₀₇ + T₄₀₈ + ... + T₄₂₂.

It is not an unprimeable number, because it can be changed into a prime (1377967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 530 + ... + 1742.

2^1377968 is an apocalyptic number.

It is an amenable number.

1377968 is a deficient number, since it is larger than the sum of its proper divisors (1331680).

1377968 is a wasteful number, since it uses less digits than its factorization.

1377968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1292 (or 1286 counting only the distinct ones).

The product of its digits is 63504, while the sum is 41.

The square root of 1377968 is about 1173.8688172023. The cubic root of 1377968 is about 111.2789563980.

The spelling of 1377968 in words is "one million, three hundred seventy-seven thousand, nine hundred sixty-eight".