1390424617 has 8 divisors (see below), whose sum is σ = 1510818560. Its totient is φ = 1274752080.

The previous prime is 1390424597. The next prime is 1390424639. The reversal of 1390424617 is 7164240931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1390424617 - 2²³ = 1382036009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1390424647) 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, 1179738 + ... + 1180915.

It is an arithmetic number, because the mean of its divisors is an integer number (188852320).

Almost surely, 2^1390424617 is an apocalyptic number.

It is an amenable number.

1390424617 is a deficient number, since it is larger than the sum of its proper divisors (120393943).

1390424617 is a wasteful number, since it uses less digits than its factorization.

1390424617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2360703.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 1390424617 is about 37288.3978872786. The cubic root of 1390424617 is about 1116.1326587955.

The spelling of 1390424617 in words is "one billion, three hundred ninety million, four hundred twenty-four thousand, six hundred seventeen".