1049815 has 16 divisors (see below), whose sum is σ = 1403136. Its totient is φ = 748800.

The previous prime is 1049809. The next prime is 1049821. The reversal of 1049815 is 5189401.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1049809) and next prime (1049821).

It is not a de Polignac number, because 1049815 - 2⁷ = 1049687 is a prime.

It is a super-2 number, since 2×1049815² = 2204223068450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1755 + ... + 2275.

It is an arithmetic number, because the mean of its divisors is an integer number (87696).

2^1049815 is an apocalyptic number.

1049815 is a deficient number, since it is larger than the sum of its proper divisors (353321).

1049815 is a wasteful number, since it uses less digits than its factorization.

1049815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 1049815 is about 1024.6048018626. The cubic root of 1049815 is about 101.6336660189.

The spelling of 1049815 in words is "one million, forty-nine thousand, eight hundred fifteen".