1407289652 has 12 divisors (see below), whose sum is σ = 2463588036. Its totient is φ = 703407360.

The previous prime is 1407289621. The next prime is 1407289657. The reversal of 1407289652 is 2569827041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 616330276 + 790959376 = 24826^2 + 28124^2 .

It is a super-2 number, since 2×1407289652² = 3960928329252562208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1407289657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45683 + ... + 70010.

It is an arithmetic number, because the mean of its divisors is an integer number (205299003).

Almost surely, 2^1407289652 is an apocalyptic number.

It is an amenable number.

1407289652 is a deficient number, since it is larger than the sum of its proper divisors (1056298384).

1407289652 is a wasteful number, since it uses less digits than its factorization.

1407289652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118738 (or 118736 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 1407289652 is about 37513.8594655362. The cubic root of 1407289652 is about 1120.6272135257.

The spelling of 1407289652 in words is "one billion, four hundred seven million, two hundred eighty-nine thousand, six hundred fifty-two".