1967220 has 48 divisors (see below), whose sum is σ = 6121920. Its totient is φ = 524448.

The previous prime is 1967191. The next prime is 1967239. The reversal of 1967220 is 227691.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1282 + ... + 2361.

It is an arithmetic number, because the mean of its divisors is an integer number (127540).

2^1967220 is an apocalyptic number.

1967220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1967220 is an abundant number, since it is smaller than the sum of its proper divisors (4154700).

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

1967220 is a wasteful number, since it uses less digits than its factorization.

1967220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3661 (or 3653 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 1967220 is about 1402.5762011385. The cubic root of 1967220 is about 125.2999728876.

It can be divided in two parts, 1967 and 220, that added together give a 7-th power (2187 = 3⁷).

The spelling of 1967220 in words is "one million, nine hundred sixty-seven thousand, two hundred twenty".