1385253426 has 32 divisors (see below), whose sum is σ = 2788531200. Its totient is φ = 458756496.

The previous prime is 1385253409. The next prime is 1385253427. The reversal of 1385253426 is 6243525831.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1385253427) 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, 989475 + ... + 990873.

It is an arithmetic number, because the mean of its divisors is an integer number (87141600).

Almost surely, 2^1385253426 is an apocalyptic number.

1385253426 is an abundant number, since it is smaller than the sum of its proper divisors (1403277774).

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

1385253426 is a wasteful number, since it uses less digits than its factorization.

1385253426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2358.

The product of its digits is 172800, while the sum is 39.

The square root of 1385253426 is about 37218.9928128100. The cubic root of 1385253426 is about 1114.7472534027.

The spelling of 1385253426 in words is "one billion, three hundred eighty-five million, two hundred fifty-three thousand, four hundred twenty-six".