1490426 has 16 divisors (see below), whose sum is σ = 2643840. Its totient is φ = 616560.

The previous prime is 1490381. The next prime is 1490429. The reversal of 1490426 is 6240941.

It is a super-2 number, since 2×1490426² = 4442739322952, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1490395 and 1490404.

It is not an unprimeable number, because it can be changed into a prime (1490429) 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, 1430 + ... + 2241.

It is an arithmetic number, because the mean of its divisors is an integer number (165240).

2^1490426 is an apocalyptic number.

1490426 is a deficient number, since it is larger than the sum of its proper divisors (1153414).

1490426 is a wasteful number, since it uses less digits than its factorization.

1490426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3709.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1490426 is about 1220.8300455018. The cubic root of 1490426 is about 114.2273599415.

The spelling of 1490426 in words is "one million, four hundred ninety thousand, four hundred twenty-six".