620083654 has 4 divisors (see below), whose sum is σ = 930125484. Its totient is φ = 310041826.

The previous prime is 620083591. The next prime is 620083661. The reversal of 620083654 is 456380026.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155020912 + ... + 155020915.

It is an arithmetic number, because the mean of its divisors is an integer number (232531371).

Almost surely, 2^620083654 is an apocalyptic number.

620083654 is a deficient number, since it is larger than the sum of its proper divisors (310041830).

620083654 is a wasteful number, since it uses less digits than its factorization.

620083654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310041829.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 620083654 is about 24901.4789520623. The cubic root of 620083654 is about 852.7402471006.

The spelling of 620083654 in words is "six hundred twenty million, eighty-three thousand, six hundred fifty-four".