1027620834 has 16 divisors (see below), whose sum is σ = 2070245088. Its totient is φ = 340039712.

The previous prime is 1027620821. The next prime is 1027620859. The reversal of 1027620834 is 4380267201.

It is a junction number, because it is equal to n+sod(n) for n = 1027620795 and 1027620804.

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, 624252 + ... + 625895.

It is an arithmetic number, because the mean of its divisors is an integer number (129390318).

Almost surely, 2^1027620834 is an apocalyptic number.

1027620834 is an abundant number, since it is smaller than the sum of its proper divisors (1042624254).

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

1027620834 is a wasteful number, since it uses less digits than its factorization.

1027620834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250289.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 1027620834 is about 32056.5256071209. The cubic root of 1027620834 is about 1009.1234541141.

The spelling of 1027620834 in words is "one billion, twenty-seven million, six hundred twenty thousand, eight hundred thirty-four".