2077949 has 2 divisors, whose sum is σ = 2077950. Its totient is φ = 2077948.

The previous prime is 2077939. The next prime is 2077969. The reversal of 2077949 is 9497702.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1545049 + 532900 = 1243^2 + 730^2 .

It is a cyclic number.

It is not a de Polignac number, because 2077949 - 2⁸ = 2077693 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2077909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1038974 + 1038975.

It is an arithmetic number, because the mean of its divisors is an integer number (1038975).

2^2077949 is an apocalyptic number.

It is an amenable number.

2077949 is a deficient number, since it is larger than the sum of its proper divisors (1).

2077949 is an equidigital number, since it uses as much as digits as its factorization.

2077949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 2077949 is about 1441.5092784994. The cubic root of 2077949 is about 127.6081153960.

The spelling of 2077949 in words is "two million, seventy-seven thousand, nine hundred forty-nine".