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2406457 is a prime number
BaseRepresentation
bin1001001011100000111001
311112021001001
421023200321
51104001312
6123325001
726311624
oct11134071
94467031
102406457
1113a4009
12980761
13663451
14468dbb
15328057
hex24b839

2406457 has 2 divisors, whose sum is σ = 2406458. Its totient is φ = 2406456.

The previous prime is 2406379. The next prime is 2406461. The reversal of 2406457 is 7546042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2399401 + 7056 = 1549^2 + 84^2 .

It is a cyclic number.

It is not a de Polignac number, because 2406457 - 219 = 1882169 is a prime.

It is not a weakly prime, because it can be changed into another prime (2406557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1203228 + 1203229.

It is an arithmetic number, because the mean of its divisors is an integer number (1203229).

22406457 is an apocalyptic number.

It is an amenable number.

2406457 is a deficient number, since it is larger than the sum of its proper divisors (1).

2406457 is an equidigital number, since it uses as much as digits as its factorization.

2406457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 2406457 is about 1551.2759264554. The cubic root of 2406457 is about 134.0065527352.

It can be divided in two parts, 240 and 6457, that multiplied together give a triangular number (1549680 = T1760).

The spelling of 2406457 in words is "two million, four hundred six thousand, four hundred fifty-seven".