1345490 has 16 divisors (see below), whose sum is σ = 2440152. Its totient is φ = 534144.

The previous prime is 1345481. The next prime is 1345507. The reversal of 1345490 is 945431.

It can be written as a sum of positive squares in 4 ways, for example, as 1216609 + 128881 = 1103^2 + 359^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1142 + ... + 1998.

2^1345490 is an apocalyptic number.

1345490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1345490 is a deficient number, since it is larger than the sum of its proper divisors (1094662).

1345490 is a wasteful number, since it uses less digits than its factorization.

1345490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1345490 is about 1159.9525852379. The cubic root of 1345490 is about 110.3977337104.

The spelling of 1345490 in words is "one million, three hundred forty-five thousand, four hundred ninety".