1396609242 has 32 divisors (see below), whose sum is σ = 3232665600. Its totient is φ = 393979248.

The previous prime is 1396609187. The next prime is 1396609339. The reversal of 1396609242 is 2429066931.

1396609242 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 1396609194 and 1396609203.

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, 207142 + ... + 213777.

It is an arithmetic number, because the mean of its divisors is an integer number (101020800).

Almost surely, 2^1396609242 is an apocalyptic number.

1396609242 is an abundant number, since it is smaller than the sum of its proper divisors (1836056358).

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

1396609242 is a wasteful number, since it uses less digits than its factorization.

1396609242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421010.

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 1396609242 is about 37371.2354893439. The cubic root of 1396609242 is about 1117.7850682841.

The spelling of 1396609242 in words is "one billion, three hundred ninety-six million, six hundred nine thousand, two hundred forty-two".