1926404 has 12 divisors (see below), whose sum is σ = 3382428. Its totient is φ = 960000.

The previous prime is 1926403. The next prime is 1926413. The reversal of 1926404 is 4046291.

It can be written as a sum of positive squares in 2 ways, for example, as 906304 + 1020100 = 952^2 + 1010^2 .

It is a super-2 number, since 2×1926404² = 7422064742432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1926403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1004 + ... + 2204.

It is an arithmetic number, because the mean of its divisors is an integer number (281869).

2^1926404 is an apocalyptic number.

It is an amenable number.

1926404 is a deficient number, since it is larger than the sum of its proper divisors (1456024).

1926404 is a wasteful number, since it uses less digits than its factorization.

1926404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606 (or 1604 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1926404 is about 1387.9495668071. The cubic root of 1926404 is about 124.4273324213.

The spelling of 1926404 in words is "one million, nine hundred twenty-six thousand, four hundred four".