1490923 has 6 divisors (see below), whose sum is σ = 1734396. Its totient is φ = 1277892.

The previous prime is 1490921. The next prime is 1490933. The reversal of 1490923 is 3290941.

It is a happy number.

It is not a de Polignac number, because 1490923 - 2¹ = 1490921 is a prime.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1490891 and 1490900.

It is not an unprimeable number, because it can be changed into a prime (1490921) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15165 + ... + 15262.

It is an arithmetic number, because the mean of its divisors is an integer number (289066).

2^1490923 is an apocalyptic number.

1490923 is a deficient number, since it is larger than the sum of its proper divisors (243473).

1490923 is an equidigital number, since it uses as much as digits as its factorization.

1490923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30441 (or 30434 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 1490923 is about 1221.0335785719. The cubic root of 1490923 is about 114.2400553473.

The spelling of 1490923 in words is "one million, four hundred ninety thousand, nine hundred twenty-three".