83149604 has 6 divisors (see below), whose sum is σ = 145511814. Its totient is φ = 41574800.

The previous prime is 83149603. The next prime is 83149607. The reversal of 83149604 is 40694138.

It can be written as a sum of positive squares in only one way, i.e., 60871204 + 22278400 = 7802^2 + 4720^2 .

It is not an unprimeable number, because it can be changed into a prime (83149603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10393697 + ... + 10393704.

It is an arithmetic number, because the mean of its divisors is an integer number (24251969).

Almost surely, 2^83149604 is an apocalyptic number.

It is an amenable number.

83149604 is a deficient number, since it is larger than the sum of its proper divisors (62362210).

83149604 is a wasteful number, since it uses less digits than its factorization.

83149604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20787405 (or 20787403 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 83149604 is about 9118.6404688418. The cubic root of 83149604 is about 436.4689914540.

The spelling of 83149604 in words is "eighty-three million, one hundred forty-nine thousand, six hundred four".