641960498 has 16 divisors (see below), whose sum is σ = 1026190080. Its totient is φ = 300491136.

The previous prime is 641960419. The next prime is 641960503. The reversal of 641960498 is 894069146.

It is a happy number.

It is a super-2 number, since 2×641960498² = 824226561984816008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146303 + ... + 150626.

It is an arithmetic number, because the mean of its divisors is an integer number (64136880).

Almost surely, 2^641960498 is an apocalyptic number.

641960498 is a deficient number, since it is larger than the sum of its proper divisors (384229582).

641960498 is a wasteful number, since it uses less digits than its factorization.

641960498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297001.

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 641960498 is about 25336.9393968569. The cubic root of 641960498 is about 862.6529300482.

The spelling of 641960498 in words is "six hundred forty-one million, nine hundred sixty thousand, four hundred ninety-eight".