1082946690 has 96 divisors (see below), whose sum is σ = 3224257920. Its totient is φ = 247041792.

The previous prime is 1082946643. The next prime is 1082946691. The reversal of 1082946690 is 966492801.

It is a happy number.

It is a super-2 number, since 2×1082946690² = 2345547066763912200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (1082946691) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 388582 + ... + 391358.

It is an arithmetic number, because the mean of its divisors is an integer number (33586020).

Almost surely, 2^1082946690 is an apocalyptic number.

1082946690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1082946690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1612128960).

1082946690 is an abundant number, since it is smaller than the sum of its proper divisors (2141311230).

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

1082946690 is a wasteful number, since it uses less digits than its factorization.

1082946690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3416 (or 3413 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 1082946690 is about 32908.1553721870. The cubic root of 1082946690 is about 1026.9178260311.

The spelling of 1082946690 in words is "one billion, eighty-two million, nine hundred forty-six thousand, six hundred ninety".