83629402 has 4 divisors (see below), whose sum is σ = 125444106. Its totient is φ = 41814700.

The previous prime is 83629397. The next prime is 83629439. The reversal of 83629402 is 20492638.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20492638 = 2 ⋅10246319.

It can be written as a sum of positive squares in only one way, i.e., 48594841 + 35034561 = 6971^2 + 5919^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20907349 + ... + 20907352.

Almost surely, 2^83629402 is an apocalyptic number.

83629402 is a deficient number, since it is larger than the sum of its proper divisors (41814704).

83629402 is a wasteful number, since it uses less digits than its factorization.

83629402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41814703.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 83629402 is about 9144.9112625547. The cubic root of 83629402 is about 437.3069005801.

The spelling of 83629402 in words is "eighty-three million, six hundred twenty-nine thousand, four hundred two".