1045977394 has 128 divisors (see below), whose sum is σ = 2239488000. Its totient is φ = 353633280.

The previous prime is 1045977391. The next prime is 1045977397. The reversal of 1045977394 is 4937795401.

1045977394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1045977391) and next prime (1045977397).

It is not an unprimeable number, because it can be changed into a prime (1045977391) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1745907 + ... + 1746505.

It is an arithmetic number, because the mean of its divisors is an integer number (17496000).

Almost surely, 2^1045977394 is an apocalyptic number.

1045977394 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1045977394 is an abundant number, since it is smaller than the sum of its proper divisors (1193510606).

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

1045977394 is a wasteful number, since it uses less digits than its factorization.

1045977394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688.

The product of its (nonzero) digits is 952560, while the sum is 49.

The square root of 1045977394 is about 32341.5737712314. The cubic root of 1045977394 is about 1015.0967395479.

The spelling of 1045977394 in words is "one billion, forty-five million, nine hundred seventy-seven thousand, three hundred ninety-four".