1893690942 has 32 divisors (see below), whose sum is σ = 4449513600. Its totient is φ = 529703520.

The previous prime is 1893690907. The next prime is 1893690943. The reversal of 1893690942 is 2490963981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1893690943) 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, 1102692 + ... + 1104407.

It is an arithmetic number, because the mean of its divisors is an integer number (139047300).

Almost surely, 2^1893690942 is an apocalyptic number.

1893690942 is an abundant number, since it is smaller than the sum of its proper divisors (2555822658).

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

1893690942 is a wasteful number, since it uses less digits than its factorization.

1893690942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2207128.

The product of its (nonzero) digits is 839808, while the sum is 51.

The square root of 1893690942 is about 43516.5593998423. The cubic root of 1893690942 is about 1237.1899038955.

The spelling of 1893690942 in words is "one billion, eight hundred ninety-three million, six hundred ninety thousand, nine hundred forty-two".