1906090704 has 200 divisors, whose sum is σ = 6348492480. Its totient is φ = 540836352.

The previous prime is 1906090657. The next prime is 1906090723. The reversal of 1906090704 is 4070906091.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1478092 + ... + 1479380.

Almost surely, 2^1906090704 is an apocalyptic number.

1906090704 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1906090704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3174246240).

1906090704 is an abundant number, since it is smaller than the sum of its proper divisors (4442401776).

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

1906090704 is a wasteful number, since it uses less digits than its factorization.

1906090704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1479 (or 1464 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 1906090704 is about 43658.7987008346. The cubic root of 1906090704 is about 1239.8843770096.

Adding to 1906090704 its reverse (4070906091), we get a palindrome (5976996795).

The spelling of 1906090704 in words is "one billion, nine hundred six million, ninety thousand, seven hundred four".