1050408 has 40 divisors (see below), whose sum is σ = 2943930. Its totient is φ = 349920.

The previous prime is 1050391. The next prime is 1050421. The reversal of 1050408 is 8040501.

It can be written as a sum of positive squares in only one way, i.e., 777924 + 272484 = 882^2 + 522^2 .

It is a super-2 number, since 2×1050408² = 2206713932928, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 163 + ... + 1458.

2^1050408 is an apocalyptic number.

1050408 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1050408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1471965).

1050408 is an abundant number, since it is smaller than the sum of its proper divisors (1893522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1050408 is a wasteful number, since it uses less digits than its factorization.

1050408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1639 (or 1626 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 1050408 is about 1024.8941408750. The cubic root of 1050408 is about 101.6527987295.

Adding to 1050408 its reverse (8040501), we get a palindrome (9090909).

The spelling of 1050408 in words is "one million, fifty thousand, four hundred eight".