1972330 has 8 divisors (see below), whose sum is σ = 3550212. Its totient is φ = 788928.

The previous prime is 1972307. The next prime is 1972343. The reversal of 1972330 is 332791.

It can be written as a sum of positive squares in 2 ways, for example, as 1957201 + 15129 = 1399^2 + 123^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1972295 and 1972304.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98607 + ... + 98626.

2^1972330 is an apocalyptic number.

1972330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1972330 is a deficient number, since it is larger than the sum of its proper divisors (1577882).

1972330 is a wasteful number, since it uses less digits than its factorization.

1972330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197240.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 1972330 is about 1404.3966676121. The cubic root of 1972330 is about 125.4083710783.

The spelling of 1972330 in words is "one million, nine hundred seventy-two thousand, three hundred thirty".