1970040 has 32 divisors (see below), whose sum is σ = 5910480. Its totient is φ = 525312.

The previous prime is 1970039. The next prime is 1970071. The reversal of 1970040 is 400791.

It is a junction number, because it is equal to n+sod(n) for n = 1969989 and 1970016.

It is a congruent number.

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, 8089 + ... + 8328.

2^1970040 is an apocalyptic number.

1970040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1970040 is an abundant number, since it is smaller than the sum of its proper divisors (3940440).

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

1970040 is a wasteful number, since it uses less digits than its factorization.

1970040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16431 (or 16427 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 1970040 is about 1403.5811340995. The cubic root of 1970040 is about 125.3598165957.

The spelling of 1970040 in words is "one million, nine hundred seventy thousand, forty".