1497490 has 8 divisors (see below), whose sum is σ = 2695500. Its totient is φ = 598992.

The previous prime is 1497439. The next prime is 1497493. The reversal of 1497490 is 947941.

It can be written as a sum of positive squares in 2 ways, for example, as 1234321 + 263169 = 1111^2 + 513^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1497493) by changing a digit.

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, 74865 + ... + 74884.

2^1497490 is an apocalyptic number.

1497490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1497490 is a deficient number, since it is larger than the sum of its proper divisors (1198010).

1497490 is a wasteful number, since it uses less digits than its factorization.

1497490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149756.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 1497490 is about 1223.7197391560. The cubic root of 1497490 is about 114.4075389917.

The spelling of 1497490 in words is "one million, four hundred ninety-seven thousand, four hundred ninety".