2690357 has 2 divisors, whose sum is σ = 2690358. Its totient is φ = 2690356.

The previous prime is 2690353. The next prime is 2690371. The reversal of 2690357 is 7530962.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2292196 + 398161 = 1514^2 + 631^2 .

It is a cyclic number.

It is not a de Polignac number, because 2690357 - 2² = 2690353 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2690351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1345178 + 1345179.

It is an arithmetic number, because the mean of its divisors is an integer number (1345179).

2^2690357 is an apocalyptic number.

It is an amenable number.

2690357 is a deficient number, since it is larger than the sum of its proper divisors (1).

2690357 is an equidigital number, since it uses as much as digits as its factorization.

2690357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 2690357 is about 1640.2307764458. The cubic root of 2690357 is about 139.0816937779.

The spelling of 2690357 in words is "two million, six hundred ninety thousand, three hundred fifty-seven".