1393376628 has 48 divisors (see below), whose sum is σ = 3911237120. Its totient is φ = 377154144.

The previous prime is 1393376603. The next prime is 1393376651. The reversal of 1393376628 is 8266733931.

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, 434926 + ... + 438117.

Almost surely, 2^1393376628 is an apocalyptic number.

It is an amenable number.

1393376628 is an abundant number, since it is smaller than the sum of its proper divisors (2517860492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1393376628 is a wasteful number, since it uses less digits than its factorization.

1393376628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873076 (or 873074 counting only the distinct ones).

The product of its digits is 979776, while the sum is 48.

The square root of 1393376628 is about 37327.9604050369. The cubic root of 1393376628 is about 1116.9219876659.

The spelling of 1393376628 in words is "one billion, three hundred ninety-three million, three hundred seventy-six thousand, six hundred twenty-eight".