1874990 has 16 divisors (see below), whose sum is σ = 3634848. Its totient is φ = 692256.

The previous prime is 1874987. The next prime is 1874993. The reversal of 1874990 is 994781.

It is an interprime number because it is at equal distance from previous prime (1874987) and next prime (1874993).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1874993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7082 + ... + 7341.

It is an arithmetic number, because the mean of its divisors is an integer number (227178).

2^1874990 is an apocalyptic number.

1874990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1874990 is a deficient number, since it is larger than the sum of its proper divisors (1759858).

1874990 is a wasteful number, since it uses less digits than its factorization.

1874990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14443.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 1874990 is about 1369.3027422743. The cubic root of 1874990 is about 123.3103844973.

The spelling of 1874990 in words is "one million, eight hundred seventy-four thousand, nine hundred ninety".