1434490 has 16 divisors (see below), whose sum is σ = 2652552. Its totient is φ = 558144.

The previous prime is 1434473. The next prime is 1434491. The reversal of 1434490 is 944341.

1434490 = T₂₀ + T₂₁ + ... + T₂₀₄.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1252161 + 182329 = 1119^2 + 427^2 .

It is not an unprimeable number, because it can be changed into a prime (1434491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1569 + ... + 2308.

2^1434490 is an apocalyptic number.

1434490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1434490 is a deficient number, since it is larger than the sum of its proper divisors (1218062).

1434490 is a wasteful number, since it uses less digits than its factorization.

1434490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3921.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1434490 is about 1197.7019662671. The cubic root of 1434490 is about 112.7801085761.

The spelling of 1434490 in words is "one million, four hundred thirty-four thousand, four hundred ninety".