662407 has 2 divisors, whose sum is σ = 662408. Its totient is φ = 662406.

The previous prime is 662401. The next prime is 662443. The reversal of 662407 is 704266.

662407 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-662407 is a prime.

It is a plaindrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (662401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331203 + 331204.

It is an arithmetic number, because the mean of its divisors is an integer number (331204).

2⁶⁶²⁴⁰⁷ is an apocalyptic number.

662407 is a deficient number, since it is larger than the sum of its proper divisors (1).

662407 is an equidigital number, since it uses as much as digits as its factorization.

662407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 662407 is about 813.8838983541. The cubic root of 662407 is about 87.1715907089.

The spelling of 662407 in words is "six hundred sixty-two thousand, four hundred seven".