1394977 has 2 divisors, whose sum is σ = 1394978. Its totient is φ = 1394976.

The previous prime is 1394941. The next prime is 1394983. The reversal of 1394977 is 7794931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1115136 + 279841 = 1056^2 + 529^2 .

It is a cyclic number.

It is not a de Polignac number, because 1394977 - 2⁷ = 1394849 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1394917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 697488 + 697489.

It is an arithmetic number, because the mean of its divisors is an integer number (697489).

2^1394977 is an apocalyptic number.

It is an amenable number.

1394977 is a deficient number, since it is larger than the sum of its proper divisors (1).

1394977 is an equidigital number, since it uses as much as digits as its factorization.

1394977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47628, while the sum is 40.

The square root of 1394977 is about 1181.0914443852. The cubic root of 1394977 is about 111.7349440117.

The spelling of 1394977 in words is "one million, three hundred ninety-four thousand, nine hundred seventy-seven".