83420354 has 4 divisors (see below), whose sum is σ = 125130534. Its totient is φ = 41710176.

The previous prime is 83420353. The next prime is 83420371. The reversal of 83420354 is 45302438.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 70980625 + 12439729 = 8425^2 + 3527^2 .

It is a super-2 number, since 2×83420354² = 13917910922970632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (83420353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20855087 + ... + 20855090.

Almost surely, 2^83420354 is an apocalyptic number.

83420354 is a deficient number, since it is larger than the sum of its proper divisors (41710180).

83420354 is a wasteful number, since it uses less digits than its factorization.

83420354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41710179.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 83420354 is about 9133.4743663077. The cubic root of 83420354 is about 436.9422185855.

The spelling of 83420354 in words is "eighty-three million, four hundred twenty thousand, three hundred fifty-four".