1872630 has 24 divisors (see below), whose sum is σ = 4869072. Its totient is φ = 499344.

The previous prime is 1872623. The next prime is 1872631. The reversal of 1872630 is 362781.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1872594 and 1872603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1872631) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10314 + ... + 10493.

It is an arithmetic number, because the mean of its divisors is an integer number (202878).

2^1872630 is an apocalyptic number.

1872630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1872630 is an abundant number, since it is smaller than the sum of its proper divisors (2996442).

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

1872630 is a wasteful number, since it uses less digits than its factorization.

1872630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20820 (or 20817 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 1872630 is about 1368.4407184822. The cubic root of 1872630 is about 123.2586269431.

The spelling of 1872630 in words is "one million, eight hundred seventy-two thousand, six hundred thirty".