1490343 has 8 divisors (see below), whose sum is σ = 1995888. Its totient is φ = 989184.

The previous prime is 1490329. The next prime is 1490347. The reversal of 1490343 is 3430941.

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

It is not a de Polignac number, because 1490343 - 2⁴ = 1490327 is a prime.

It is a super-2 number, since 2×1490343² = 4442244515298, which contains 22 as substring.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196 + ... + 1737.

It is an arithmetic number, because the mean of its divisors is an integer number (249486).

2^1490343 is an apocalyptic number.

1490343 is a deficient number, since it is larger than the sum of its proper divisors (505545).

1490343 is a wasteful number, since it uses less digits than its factorization.

1490343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2193.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 1490343 is about 1220.7960517629. The cubic root of 1490343 is about 114.2252395081.

The spelling of 1490343 in words is "one million, four hundred ninety thousand, three hundred forty-three".