1374649396 has 24 divisors (see below), whose sum is σ = 2462724320. Its totient is φ = 671176800.

The previous prime is 1374649391. The next prime is 1374649477. The reversal of 1374649396 is 6939464731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1374649391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13651 + ... + 54181.

Almost surely, 2^1374649396 is an apocalyptic number.

It is an amenable number.

1374649396 is a deficient number, since it is larger than the sum of its proper divisors (1088074924).

1374649396 is a wasteful number, since it uses less digits than its factorization.

1374649396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40735 (or 40733 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 52.

The square root of 1374649396 is about 37076.2645907055. The cubic root of 1374649396 is about 1111.8955237575.

The spelling of 1374649396 in words is "one billion, three hundred seventy-four million, six hundred forty-nine thousand, three hundred ninety-six".