3198977 has 2 divisors, whose sum is σ = 3198978. Its totient is φ = 3198976.

The previous prime is 3198967. The next prime is 3198991. The reversal of 3198977 is 7798913.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2686321 + 512656 = 1639^2 + 716^2 .

It is a cyclic number.

It is not a de Polignac number, because 3198977 - 2⁶ = 3198913 is a prime.

It is not a weakly prime, because it can be changed into another prime (3198967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1599488 + 1599489.

It is an arithmetic number, because the mean of its divisors is an integer number (1599489).

It is a Proth number, since it is equal to 781 ⋅ 2¹² + 1 and 781 < 2¹².

Almost surely, 2^3198977 is an apocalyptic number.

It is an amenable number.

3198977 is a deficient number, since it is larger than the sum of its proper divisors (1).

3198977 is an equidigital number, since it uses as much as digits as its factorization.

3198977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 95256, while the sum is 44.

The square root of 3198977 is about 1788.5684219509. The cubic root of 3198977 is about 147.3455550877.

The spelling of 3198977 in words is "three million, one hundred ninety-eight thousand, nine hundred seventy-seven".