90629351 has 4 divisors (see below), whose sum is σ = 90733104. Its totient is φ = 90525600.

The previous prime is 90629339. The next prime is 90629381. The reversal of 90629351 is 15392609.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15392609 = 487 ⋅31607.

It is a cyclic number.

It is not a de Polignac number, because 90629351 - 2²⁶ = 23520487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90629381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50555 + ... + 52316.

It is an arithmetic number, because the mean of its divisors is an integer number (22683276).

Almost surely, 2^90629351 is an apocalyptic number.

90629351 is a deficient number, since it is larger than the sum of its proper divisors (103753).

90629351 is a wasteful number, since it uses less digits than its factorization.

90629351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103752.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 90629351 is about 9519.9449053028. The cubic root of 90629351 is about 449.1826331300.

The spelling of 90629351 in words is "ninety million, six hundred twenty-nine thousand, three hundred fifty-one".