1427528838 has 32 divisors (see below), whose sum is σ = 2919112704. Its totient is φ = 465190272.

The previous prime is 1427528831. The next prime is 1427528863. The reversal of 1427528838 is 8388257241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1427528831) 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, 304206 + ... + 308862.

It is an arithmetic number, because the mean of its divisors is an integer number (91222272).

Almost surely, 2^1427528838 is an apocalyptic number.

1427528838 is an abundant number, since it is smaller than the sum of its proper divisors (1491583866).

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

1427528838 is a wasteful number, since it uses less digits than its factorization.

1427528838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5796.

The product of its digits is 860160, while the sum is 48.

The square root of 1427528838 is about 37782.6526067189. The cubic root of 1427528838 is about 1125.9738301660.

The spelling of 1427528838 in words is "one billion, four hundred twenty-seven million, five hundred twenty-eight thousand, eight hundred thirty-eight".