1890942350 has 48 divisors (see below), whose sum is σ = 3940636176. Its totient is φ = 669024000.

The previous prime is 1890942343. The next prime is 1890942409. The reversal of 1890942350 is 532490981.

It is a junction number, because it is equal to n+sod(n) for n = 1890942298 and 1890942307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26111 + ... + 66810.

It is an arithmetic number, because the mean of its divisors is an integer number (82096587).

Almost surely, 2^1890942350 is an apocalyptic number.

1890942350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1890942350 is an abundant number, since it is smaller than the sum of its proper divisors (2049693826).

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

1890942350 is a wasteful number, since it uses less digits than its factorization.

1890942350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92981 (or 92976 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 1890942350 is about 43484.9669426113. The cubic root of 1890942350 is about 1236.5910422131.

The spelling of 1890942350 in words is "one billion, eight hundred ninety million, nine hundred forty-two thousand, three hundred fifty".