1682909190 has 32 divisors (see below), whose sum is σ = 4487758560. Its totient is φ = 448775712.

The previous prime is 1682909177. The next prime is 1682909191. The reversal of 1682909190 is 919092861.

It is a super-2 number, since 2×1682909190² = 5664366683572912200, which contains 22 as substring.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1682909191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3116229 + ... + 3116768.

It is an arithmetic number, because the mean of its divisors is an integer number (140242455).

Almost surely, 2^1682909190 is an apocalyptic number.

1682909190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1682909190 is an abundant number, since it is smaller than the sum of its proper divisors (2804849370).

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

1682909190 is a wasteful number, since it uses less digits than its factorization.

1682909190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6233013 (or 6233007 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 45.

The square root of 1682909190 is about 41023.2761977880. The cubic root of 1682909190 is about 1189.4701852592.

The spelling of 1682909190 in words is "one billion, six hundred eighty-two million, nine hundred nine thousand, one hundred ninety".