1970240 has 56 divisors (see below), whose sum is σ = 4828032. Its totient is φ = 765440.

The previous prime is 1970237. The next prime is 1970257. The reversal of 1970240 is 420791.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14975 + ... + 15105.

2^1970240 is an apocalyptic number.

1970240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1970240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2414016).

1970240 is an abundant number, since it is smaller than the sum of its proper divisors (2857792).

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

1970240 is a wasteful number, since it uses less digits than its factorization.

1970240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 1970240 is about 1403.6523786180. The cubic root of 1970240 is about 125.3640586610.

The spelling of 1970240 in words is "one million, nine hundred seventy thousand, two hundred forty".