1403430652 has 72 divisors (see below), whose sum is σ = 2790774224. Its totient is φ = 613806336.

The previous prime is 1403430643. The next prime is 1403430673. The reversal of 1403430652 is 2560343041.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1403430652.

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, 4483648 + ... + 4483960.

Almost surely, 2^1403430652 is an apocalyptic number.

It is an amenable number.

1403430652 is a deficient number, since it is larger than the sum of its proper divisors (1387343572).

1403430652 is a wasteful number, since it uses less digits than its factorization.

1403430652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539 (or 514 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 1403430652 is about 37462.3898330045. The cubic root of 1403430652 is about 1119.6019663413.

Adding to 1403430652 its reverse (2560343041), we get a palindrome (3963773693).

The spelling of 1403430652 in words is "one billion, four hundred three million, four hundred thirty thousand, six hundred fifty-two".