1026913390 has 16 divisors (see below), whose sum is σ = 1957176432. Its totient is φ = 386602624.

The previous prime is 1026913379. The next prime is 1026913423. The reversal of 1026913390 is 933196201.

It is a super-2 number, since 2×1026913390² = 2109102221122584200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

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, 3020164 + ... + 3020503.

It is an arithmetic number, because the mean of its divisors is an integer number (122323527).

Almost surely, 2^1026913390 is an apocalyptic number.

1026913390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1026913390 is a deficient number, since it is larger than the sum of its proper divisors (930263042).

1026913390 is a wasteful number, since it uses less digits than its factorization.

1026913390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6040691.

The product of its (nonzero) digits is 8748, while the sum is 34.

The square root of 1026913390 is about 32045.4893861835. The cubic root of 1026913390 is about 1008.8918309983.

The spelling of 1026913390 in words is "one billion, twenty-six million, nine hundred thirteen thousand, three hundred ninety".