1419904 has 16 divisors (see below), whose sum is σ = 2828970. Its totient is φ = 709888.

The previous prime is 1419883. The next prime is 1419911. The reversal of 1419904 is 4099141.

It can be written as a sum of positive squares in only one way, i.e., 1000000 + 419904 = 1000^2 + 648^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×1419904² = 4032254738432, which contains 22 as substring.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a zygodrome in base 4.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5419 + ... + 5674.

2^1419904 is an apocalyptic number.

It is an amenable number.

1419904 is a deficient number, since it is larger than the sum of its proper divisors (1409066).

1419904 is an equidigital number, since it uses as much as digits as its factorization.

1419904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11107 (or 11095 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1419904 is about 1191.5972473953. The cubic root of 1419904 is about 112.3965534672.

The spelling of 1419904 in words is "one million, four hundred nineteen thousand, nine hundred four".