90649948 has 6 divisors (see below), whose sum is σ = 158637416. Its totient is φ = 45324972.

The previous prime is 90649943. The next prime is 90649973. The reversal of 90649948 is 84994609.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90649943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11331240 + ... + 11331247.

Almost surely, 2^90649948 is an apocalyptic number.

It is an amenable number.

90649948 is a deficient number, since it is larger than the sum of its proper divisors (67987468).

90649948 is a wasteful number, since it uses less digits than its factorization.

90649948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22662491 (or 22662489 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 49.

The square root of 90649948 is about 9521.0266253173. The cubic root of 90649948 is about 449.2166585820.

The spelling of 90649948 in words is "ninety million, six hundred forty-nine thousand, nine hundred forty-eight".