1490347 has 2 divisors, whose sum is σ = 1490348. Its totient is φ = 1490346.

The previous prime is 1490329. The next prime is 1490351. The reversal of 1490347 is 7430941.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1490347 is a prime.

It is a super-2 number, since 2×1490347² = 4442268360818, which contains 22 as substring.

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

It is not a weakly prime, because it can be changed into another prime (1490317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 745173 + 745174.

It is an arithmetic number, because the mean of its divisors is an integer number (745174).

2^1490347 is an apocalyptic number.

1490347 is a deficient number, since it is larger than the sum of its proper divisors (1).

1490347 is an equidigital number, since it uses as much as digits as its factorization.

1490347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 1490347 is about 1220.7976900371. The cubic root of 1490347 is about 114.2253416995.

The spelling of 1490347 in words is "one million, four hundred ninety thousand, three hundred forty-seven".