1806346374 has 32 divisors (see below), whose sum is σ = 4271166720. Its totient is φ = 498302112.

The previous prime is 1806346369. The next prime is 1806346379. The reversal of 1806346374 is 4736436081.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1806346369) and next prime (1806346379).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1806346379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 740304 + ... + 742739.

It is an arithmetic number, because the mean of its divisors is an integer number (133473960).

Almost surely, 2^1806346374 is an apocalyptic number.

1806346374 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1806346374 is an abundant number, since it is smaller than the sum of its proper divisors (2464820346).

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

1806346374 is a wasteful number, since it uses less digits than its factorization.

1806346374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1483084.

The product of its (nonzero) digits is 290304, while the sum is 42.

The square root of 1806346374 is about 42501.1337966412. The cubic root of 1806346374 is about 1217.8683492080.

The spelling of 1806346374 in words is "one billion, eight hundred six million, three hundred forty-six thousand, three hundred seventy-four".