1045406 has 4 divisors (see below), whose sum is σ = 1568112. Its totient is φ = 522702.

The previous prime is 1045397. The next prime is 1045409. The reversal of 1045406 is 6045401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6045401 = 19 ⋅318179.

It is a super-3 number, since 3×1045406³ = 3427490184833350248, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261350 + ... + 261353.

It is an arithmetic number, because the mean of its divisors is an integer number (392028).

2^1045406 is an apocalyptic number.

1045406 is a deficient number, since it is larger than the sum of its proper divisors (522706).

1045406 is an equidigital number, since it uses as much as digits as its factorization.

1045406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522705.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1045406 is about 1022.4509768199. The cubic root of 1045406 is about 101.4911864349.

The spelling of 1045406 in words is "one million, forty-five thousand, four hundred six".