1868472 has 24 divisors (see below), whose sum is σ = 5060640. Its totient is φ = 622800.

The previous prime is 1868459. The next prime is 1868483. The reversal of 1868472 is 2748681.

1868472 is a `hidden beast` number, since 186 + 8 + 472 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×1868472² = 6982375229568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 12904 + ... + 13047.

It is an arithmetic number, because the mean of its divisors is an integer number (210860).

2^1868472 is an apocalyptic number.

1868472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1868472 is an abundant number, since it is smaller than the sum of its proper divisors (3192168).

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

1868472 is a wasteful number, since it uses less digits than its factorization.

1868472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25963 (or 25956 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 1868472 is about 1366.9206268105. The cubic root of 1868472 is about 123.1673312492.

The spelling of 1868472 in words is "one million, eight hundred sixty-eight thousand, four hundred seventy-two".