1497642 has 8 divisors (see below), whose sum is σ = 2995296. Its totient is φ = 499212.

The previous prime is 1497619. The next prime is 1497653. The reversal of 1497642 is 2467941.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

1497642 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124798 + ... + 124809.

It is an arithmetic number, because the mean of its divisors is an integer number (374412).

2^1497642 is an apocalyptic number.

1497642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1497642 is a wasteful number, since it uses less digits than its factorization.

1497642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249612.

The product of its digits is 12096, while the sum is 33.

The square root of 1497642 is about 1223.7818433038. The cubic root of 1497642 is about 114.4114097704.

Subtracting 1497642 from its reverse (2467941), we obtain a cube (970299 = 99³).

The spelling of 1497642 in words is "one million, four hundred ninety-seven thousand, six hundred forty-two".