1031404 has 18 divisors (see below), whose sum is σ = 1984892. Its totient is φ = 468600.

The previous prime is 1031399. The next prime is 1031411. The reversal of 1031404 is 4041301.

It is a super-2 number, since 2×1031404² = 2127588422432, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 582 + ... + 1549.

2^1031404 is an apocalyptic number.

It is an amenable number.

1031404 is a deficient number, since it is larger than the sum of its proper divisors (953488).

1031404 is a wasteful number, since it uses less digits than its factorization.

1031404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2157 (or 2144 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1031404 is about 1015.5806221074. The cubic root of 1031404 is about 101.0360293639.

Adding to 1031404 its reverse (4041301), we get a palindrome (5072705).

The spelling of 1031404 in words is "one million, thirty-one thousand, four hundred four".