1427923794 has 32 divisors (see below), whose sum is σ = 3117470976. Its totient is φ = 432426320.

The previous prime is 1427923793. The next prime is 1427923859. The reversal of 1427923794 is 4973297241.

It is a happy number.

It is a super-2 number, since 2×1427923794² = 4077932722942708872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1427923793) 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, 111889 + ... + 123995.

It is an arithmetic number, because the mean of its divisors is an integer number (97420968).

Almost surely, 2^1427923794 is an apocalyptic number.

1427923794 is an abundant number, since it is smaller than the sum of its proper divisors (1689547182).

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

1427923794 is a wasteful number, since it uses less digits than its factorization.

1427923794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13910.

The product of its digits is 762048, while the sum is 48.

The square root of 1427923794 is about 37787.8789296250. The cubic root of 1427923794 is about 1126.0776620704.

The spelling of 1427923794 in words is "one billion, four hundred twenty-seven million, nine hundred twenty-three thousand, seven hundred ninety-four".