2957389 has 2 divisors, whose sum is σ = 2957390. Its totient is φ = 2957388.

The previous prime is 2957387. The next prime is 2957399. The reversal of 2957389 is 9837592.

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., 2301289 + 656100 = 1517^2 + 810^2 .

It is a cyclic number.

It is not a de Polignac number, because 2957389 - 2¹ = 2957387 is a prime.

It is a super-2 number, since 2×2957389² = 17492299394642, which contains 22 as substring.

Together with 2957387, it forms a pair of twin primes.

It is a nialpdrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2957387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1478694 + 1478695.

It is an arithmetic number, because the mean of its divisors is an integer number (1478695).

2^2957389 is an apocalyptic number.

It is an amenable number.

2957389 is a deficient number, since it is larger than the sum of its proper divisors (1).

2957389 is an equidigital number, since it uses as much as digits as its factorization.

2957389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 43.

The square root of 2957389 is about 1719.7060795380. The cubic root of 2957389 is about 143.5388572551.

The spelling of 2957389 in words is "two million, nine hundred fifty-seven thousand, three hundred eighty-nine".