90001534 has 24 divisors (see below), whose sum is σ = 157601808. Its totient is φ = 38435040.

The previous prime is 90001511. The next prime is 90001559. The reversal of 90001534 is 43510009.

It is a super-2 number, since 2×90001534² = 16200552244706312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29002 + ... + 31954.

It is an arithmetic number, because the mean of its divisors is an integer number (6566742).

Almost surely, 2^90001534 is an apocalyptic number.

90001534 is a deficient number, since it is larger than the sum of its proper divisors (67600274).

90001534 is a wasteful number, since it uses less digits than its factorization.

90001534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3280 (or 3273 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 90001534 is about 9486.9138290595. The cubic root of 90001534 is about 448.1430207431.

The spelling of 90001534 in words is "ninety million, one thousand, five hundred thirty-four".