1045390 has 16 divisors (see below), whose sum is σ = 1901232. Its totient is φ = 413824.

The previous prime is 1045367. The next prime is 1045391. The reversal of 1045390 is 935401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045391) 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, 582 + ... + 1558.

It is an arithmetic number, because the mean of its divisors is an integer number (118827).

2^1045390 is an apocalyptic number.

1045390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1045390 is a deficient number, since it is larger than the sum of its proper divisors (855842).

1045390 is a wasteful number, since it uses less digits than its factorization.

1045390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 1045390 is about 1022.4431524540. The cubic root of 1045390 is about 101.4906686561.

The spelling of 1045390 in words is "one million, forty-five thousand, three hundred ninety".