1403980436 has 6 divisors (see below), whose sum is σ = 2456965770. Its totient is φ = 701990216.

The previous prime is 1403980399. The next prime is 1403980439. The reversal of 1403980436 is 6340893041.

It can be written as a sum of positive squares in only one way, i.e., 1302776836 + 101203600 = 36094^2 + 10060^2 .

It is a super-2 number, since 2×1403980436² = 3942322129341500192, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1403980436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1403980439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175497551 + ... + 175497558.

It is an arithmetic number, because the mean of its divisors is an integer number (409494295).

Almost surely, 2^1403980436 is an apocalyptic number.

It is an amenable number.

1403980436 is a deficient number, since it is larger than the sum of its proper divisors (1052985334).

1403980436 is a wasteful number, since it uses less digits than its factorization.

1403980436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350995113 (or 350995111 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 1403980436 is about 37469.7269272142. The cubic root of 1403980436 is about 1119.7481459634.

The spelling of 1403980436 in words is "one billion, four hundred three million, nine hundred eighty thousand, four hundred thirty-six".