538640614 has 32 divisors (see below), whose sum is σ = 915343200. Its totient is φ = 236183040.

The previous prime is 538640581. The next prime is 538640621. The reversal of 538640614 is 416046835.

It is a happy number.

It is a super-2 number, since 2×538640614² = 580267422100593992, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32572 + ... + 46240.

It is an arithmetic number, because the mean of its divisors is an integer number (28604475).

Almost surely, 2^538640614 is an apocalyptic number.

538640614 is a deficient number, since it is larger than the sum of its proper divisors (376702586).

538640614 is a wasteful number, since it uses less digits than its factorization.

538640614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13768.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 538640614 is about 23208.6323164464. The cubic root of 538640614 is about 813.6413883167.

The spelling of 538640614 in words is "five hundred thirty-eight million, six hundred forty thousand, six hundred fourteen".