1084208940 has 36 divisors (see below), whose sum is σ = 3288767664. Its totient is φ = 289122336.

The previous prime is 1084208933. The next prime is 1084208971. The reversal of 1084208940 is 498024801.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1084208895 and 1084208904.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3011512 + ... + 3011871.

Almost surely, 2^1084208940 is an apocalyptic number.

1084208940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1084208940 is an abundant number, since it is smaller than the sum of its proper divisors (2204558724).

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

1084208940 is a wasteful number, since it uses less digits than its factorization.

1084208940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6023398 (or 6023393 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 1084208940 is about 32927.3281637001. The cubic root of 1084208940 is about 1027.3166525998.

The spelling of 1084208940 in words is "one billion, eighty-four million, two hundred eight thousand, nine hundred forty".