1496639 has 2 divisors, whose sum is σ = 1496640. Its totient is φ = 1496638.

The previous prime is 1496597. The next prime is 1496641. The reversal of 1496639 is 9366941.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1496639 is a prime.

Together with 1496641, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1496669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 748319 + 748320.

It is an arithmetic number, because the mean of its divisors is an integer number (748320).

2^1496639 is an apocalyptic number.

1496639 is a deficient number, since it is larger than the sum of its proper divisors (1).

1496639 is an equidigital number, since it uses as much as digits as its factorization.

1496639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34992, while the sum is 38.

The square root of 1496639 is about 1223.3719794077. The cubic root of 1496639 is about 114.3858628838.

The spelling of 1496639 in words is "one million, four hundred ninety-six thousand, six hundred thirty-nine".