1084270690 has 16 divisors (see below), whose sum is σ = 1952920440. Its totient is φ = 433434240.

The previous prime is 1084270687. The next prime is 1084270699. The reversal of 1084270690 is 960724801.

It can be written as a sum of positive squares in 4 ways, for example, as 949687489 + 134583201 = 30817^2 + 11601^2 .

It is a super-2 number, since 2×1084270690² = 2351285858386152200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1084270699) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17235 + ... + 49654.

Almost surely, 2^1084270690 is an apocalyptic number.

1084270690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1084270690 is a deficient number, since it is larger than the sum of its proper divisors (868649750).

1084270690 is a wasteful number, since it uses less digits than its factorization.

1084270690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68517.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 1084270690 is about 32928.2658213274. The cubic root of 1084270690 is about 1027.3361554824.

The spelling of 1084270690 in words is "one billion, eighty-four million, two hundred seventy thousand, six hundred ninety".