1940934285 has 32 divisors (see below), whose sum is σ = 3653527680. Its totient is φ = 974271744.

The previous prime is 1940934283. The next prime is 1940934343. The reversal of 1940934285 is 5824390491.

It is not a de Polignac number, because 1940934285 - 2¹ = 1940934283 is a prime.

It is a super-2 number, since 2×1940934285² = 7534451797376922450, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1940934285.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1940934283) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 420567 + ... + 425156.

It is an arithmetic number, because the mean of its divisors is an integer number (114172740).

Almost surely, 2^1940934285 is an apocalyptic number.

1940934285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1940934285 is a deficient number, since it is larger than the sum of its proper divisors (1712593395).

1940934285 is a wasteful number, since it uses less digits than its factorization.

1940934285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845754 (or 845748 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 1940934285 is about 44056.0357385909. The cubic root of 1940934285 is about 1247.3938844387.

The spelling of 1940934285 in words is "one billion, nine hundred forty million, nine hundred thirty-four thousand, two hundred eighty-five".