353673642 has 16 divisors (see below), whose sum is σ = 808396992. Its totient is φ = 101049600.

The previous prime is 353673631. The next prime is 353673643. The reversal of 353673642 is 246376353.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 353673642.

It is not an unprimeable number, because it can be changed into a prime (353673643) 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, 4210359 + ... + 4210442.

It is an arithmetic number, because the mean of its divisors is an integer number (50524812).

Almost surely, 2^353673642 is an apocalyptic number.

353673642 is an abundant number, since it is smaller than the sum of its proper divisors (454723350).

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

353673642 is a wasteful number, since it uses less digits than its factorization.

353673642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8420813.

The product of its digits is 272160, while the sum is 39.

The square root of 353673642 is about 18806.2128563940. The cubic root of 353673642 is about 707.1869397038.

The spelling of 353673642 in words is "three hundred fifty-three million, six hundred seventy-three thousand, six hundred forty-two".